81396588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:727

約数の個数: 96

約数和(自身を含む): 235952640

約数和(自身を除く): 154556052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 131, 156, 182, 262, 273, 364, 393, 524, 546, 569, 786, 917, 1092, 1138, 1572, 1703, 1707, 1834, 2276, 2751, 3406, 3414, 3668, 3983, 5109, 5502, 6812, 6828, 7397, 7966, 10218, 11004, 11921, 11949, 14794, 15932, 20436, 22191, 23842, 23898, 29588, 35763, 44382, 47684, 47796, 51779, 71526, 74539, 88764, 103558, 143052, 149078, 155337, 207116, 223617, 298156, 310674, 447234, 521773, 621348, 894468, 969007, 1043546, 1565319, 1938014, 2087092, 2907021, 3130638, 3876028, 5814042, 6261276, 6783049, 11628084, 13566098, 20349147, 27132196, 40698294, 81396588]

約数ペア:

[(1, 81396588), (2, 40698294), (3, 27132196), (4, 20349147), (6, 13566098), (7, 11628084), (12, 6783049), (13, 6261276), (14, 5814042), (21, 3876028), (26, 3130638), (28, 2907021), (39, 2087092), (42, 1938014), (52, 1565319), (78, 1043546), (84, 969007), (91, 894468), (131, 621348), (156, 521773), (182, 447234), (262, 310674), (273, 298156), (364, 223617), (393, 207116), (524, 155337), (546, 149078), (569, 143052), (786, 103558), (917, 88764), (1092, 74539), (1138, 71526), (1572, 51779), (1703, 47796), (1707, 47684), (1834, 44382), (2276, 35763), (2751, 29588), (3406, 23898), (3414, 23842), (3668, 22191), (3983, 20436), (5109, 15932), (5502, 14794), (6812, 11949), (6828, 11921), (7397, 11004), (7966, 10218)]