257000016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3509

約数の個数: 160

約数和(自身を含む): 865444608

約数和(自身を除く): 608444592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 102, 104, 112, 119, 136, 156, 168, 182, 204, 208, 221, 238, 272, 273, 312, 336, 357, 364, 408, 442, 476, 546, 624, 663, 714, 728, 816, 884, 952, 1092, 1326, 1428, 1456, 1547, 1768, 1904, 2184, 2652, 2856, 3094, 3461, 3536, 4368, 4641, 5304, 5712, 6188, 6922, 9282, 10383, 10608, 12376, 13844, 18564, 20766, 24227, 24752, 27688, 37128, 41532, 44993, 48454, 55376, 58837, 72681, 74256, 83064, 89986, 96908, 117674, 134979, 145362, 166128, 176511, 179972, 193816, 235348, 269958, 290724, 314951, 353022, 359944, 387632, 411859, 470696, 539916, 581448, 629902, 706044, 719888, 764881, 823718, 941392, 944853, 1079832, 1162896, 1235577, 1259804, 1412088, 1529762, 1647436, 1889706, 2159664, 2294643, 2471154, 2519608, 2824176, 3059524, 3294872, 3779412, 4589286, 4942308, 5039216, 5354167, 6119048, 6589744, 7558824, 9178572, 9884616, 10708334, 12238096, 15117648, 16062501, 18357144, 19769232, 21416668, 32125002, 36714288, 42833336, 64250004, 85666672, 128500008, 257000016]

約数ペア:

[(1, 257000016), (2, 128500008), (3, 85666672), (4, 64250004), (6, 42833336), (7, 36714288), (8, 32125002), (12, 21416668), (13, 19769232), (14, 18357144), (16, 16062501), (17, 15117648), (21, 12238096), (24, 10708334), (26, 9884616), (28, 9178572), (34, 7558824), (39, 6589744), (42, 6119048), (48, 5354167), (51, 5039216), (52, 4942308), (56, 4589286), (68, 3779412), (78, 3294872), (84, 3059524), (91, 2824176), (102, 2519608), (104, 2471154), (112, 2294643), (119, 2159664), (136, 1889706), (156, 1647436), (168, 1529762), (182, 1412088), (204, 1259804), (208, 1235577), (221, 1162896), (238, 1079832), (272, 944853), (273, 941392), (312, 823718), (336, 764881), (357, 719888), (364, 706044), (408, 629902), (442, 581448), (476, 539916), (546, 470696), (624, 411859), (663, 387632), (714, 359944), (728, 353022), (816, 314951), (884, 290724), (952, 269958), (1092, 235348), (1326, 193816), (1428, 179972), (1456, 176511), (1547, 166128), (1768, 145362), (1904, 134979), (2184, 117674), (2652, 96908), (2856, 89986), (3094, 83064), (3461, 74256), (3536, 72681), (4368, 58837), (4641, 55376), (5304, 48454), (5712, 44993), (6188, 41532), (6922, 37128), (9282, 27688), (10383, 24752), (10608, 24227), (12376, 20766), (13844, 18564)]