287908656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 160

約数和(自身を含む): 888324096

約数和(自身を除く): 600415440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 131, 168, 186, 211, 217, 248, 262, 336, 372, 393, 422, 434, 496, 524, 633, 651, 744, 786, 844, 868, 917, 1048, 1266, 1302, 1477, 1488, 1572, 1688, 1736, 1834, 2096, 2532, 2604, 2751, 2954, 3144, 3376, 3472, 3668, 4061, 4431, 5064, 5208, 5502, 5908, 6288, 6541, 7336, 8122, 8862, 10128, 10416, 11004, 11816, 12183, 13082, 14672, 16244, 17724, 19623, 22008, 23632, 24366, 26164, 27641, 28427, 32488, 35448, 39246, 44016, 45787, 48732, 52328, 55282, 56854, 64976, 70896, 78492, 82923, 85281, 91574, 97464, 104656, 110564, 113708, 137361, 156984, 165846, 170562, 183148, 193487, 194928, 221128, 227416, 274722, 313968, 331692, 341124, 366296, 386974, 442256, 454832, 549444, 580461, 663384, 682248, 732592, 773948, 856871, 1098888, 1160922, 1326768, 1364496, 1547896, 1713742, 2197776, 2321844, 2570613, 3095792, 3427484, 4643688, 5141226, 5998097, 6854968, 9287376, 10282452, 11996194, 13709936, 17994291, 20564904, 23992388, 35988582, 41129808, 47984776, 71977164, 95969552, 143954328, 287908656]

約数ペア:

[(1, 287908656), (2, 143954328), (3, 95969552), (4, 71977164), (6, 47984776), (7, 41129808), (8, 35988582), (12, 23992388), (14, 20564904), (16, 17994291), (21, 13709936), (24, 11996194), (28, 10282452), (31, 9287376), (42, 6854968), (48, 5998097), (56, 5141226), (62, 4643688), (84, 3427484), (93, 3095792), (112, 2570613), (124, 2321844), (131, 2197776), (168, 1713742), (186, 1547896), (211, 1364496), (217, 1326768), (248, 1160922), (262, 1098888), (336, 856871), (372, 773948), (393, 732592), (422, 682248), (434, 663384), (496, 580461), (524, 549444), (633, 454832), (651, 442256), (744, 386974), (786, 366296), (844, 341124), (868, 331692), (917, 313968), (1048, 274722), (1266, 227416), (1302, 221128), (1477, 194928), (1488, 193487), (1572, 183148), (1688, 170562), (1736, 165846), (1834, 156984), (2096, 137361), (2532, 113708), (2604, 110564), (2751, 104656), (2954, 97464), (3144, 91574), (3376, 85281), (3472, 82923), (3668, 78492), (4061, 70896), (4431, 64976), (5064, 56854), (5208, 55282), (5502, 52328), (5908, 48732), (6288, 45787), (6541, 44016), (7336, 39246), (8122, 35448), (8862, 32488), (10128, 28427), (10416, 27641), (11004, 26164), (11816, 24366), (12183, 23632), (13082, 22008), (14672, 19623), (16244, 17724)]