2891468008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{68311}}^1$

素因数の和:68378

約数の個数: 64

約数和(自身を含む): 6541557120

約数和(自身を除く): 3650089112

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 572, 814, 962, 1144, 1628, 1924, 3256, 3848, 5291, 10582, 21164, 42328, 68311, 136622, 273244, 546488, 751421, 888043, 1502842, 1776086, 2527507, 3005684, 3552172, 5055014, 6011368, 7104344, 9768473, 10110028, 19536946, 20220056, 27802577, 32857591, 39073892, 55605154, 65715182, 78147784, 111210308, 131430364, 222420616, 262860728, 361433501, 722867002, 1445734004, 2891468008]

約数ペア:

[(1, 2891468008), (2, 1445734004), (4, 722867002), (8, 361433501), (11, 262860728), (13, 222420616), (22, 131430364), (26, 111210308), (37, 78147784), (44, 65715182), (52, 55605154), (74, 39073892), (88, 32857591), (104, 27802577), (143, 20220056), (148, 19536946), (286, 10110028), (296, 9768473), (407, 7104344), (481, 6011368), (572, 5055014), (814, 3552172), (962, 3005684), (1144, 2527507), (1628, 1776086), (1924, 1502842), (3256, 888043), (3848, 751421), (5291, 546488), (10582, 273244), (21164, 136622), (42328, 68311)]