211561856

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 491166720

約数和(自身を除く): 279604864

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 37, 44, 62, 64, 74, 88, 124, 128, 131, 148, 176, 248, 262, 296, 341, 352, 407, 496, 524, 592, 682, 704, 814, 992, 1048, 1147, 1184, 1364, 1408, 1441, 1628, 1984, 2096, 2294, 2368, 2728, 2882, 3256, 3968, 4061, 4192, 4588, 4736, 4847, 5456, 5764, 6512, 8122, 8384, 9176, 9694, 10912, 11528, 12617, 13024, 16244, 16768, 18352, 19388, 21824, 23056, 25234, 26048, 32488, 36704, 38776, 43648, 44671, 46112, 50468, 52096, 53317, 64976, 73408, 77552, 89342, 92224, 100936, 106634, 129952, 146816, 150257, 155104, 178684, 184448, 201872, 213268, 259904, 300514, 310208, 357368, 403744, 426536, 519808, 601028, 620416, 714736, 807488, 853072, 1202056, 1429472, 1614976, 1652827, 1706144, 2404112, 2858944, 3305654, 3412288, 4808224, 5717888, 6611308, 6824576, 9616448, 13222616, 19232896, 26445232, 52890464, 105780928, 211561856]

約数ペア:

[(1, 211561856), (2, 105780928), (4, 52890464), (8, 26445232), (11, 19232896), (16, 13222616), (22, 9616448), (31, 6824576), (32, 6611308), (37, 5717888), (44, 4808224), (62, 3412288), (64, 3305654), (74, 2858944), (88, 2404112), (124, 1706144), (128, 1652827), (131, 1614976), (148, 1429472), (176, 1202056), (248, 853072), (262, 807488), (296, 714736), (341, 620416), (352, 601028), (407, 519808), (496, 426536), (524, 403744), (592, 357368), (682, 310208), (704, 300514), (814, 259904), (992, 213268), (1048, 201872), (1147, 184448), (1184, 178684), (1364, 155104), (1408, 150257), (1441, 146816), (1628, 129952), (1984, 106634), (2096, 100936), (2294, 92224), (2368, 89342), (2728, 77552), (2882, 73408), (3256, 64976), (3968, 53317), (4061, 52096), (4192, 50468), (4588, 46112), (4736, 44671), (4847, 43648), (5456, 38776), (5764, 36704), (6512, 32488), (8122, 26048), (8384, 25234), (9176, 23056), (9694, 21824), (10912, 19388), (11528, 18352), (12617, 16768), (13024, 16244)]