311930122

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 573308928

約数和(自身を除く): 261378806

約数列:

[1, 2, 7, 14, 31, 53, 62, 71, 106, 142, 191, 217, 371, 382, 434, 497, 742, 994, 1337, 1643, 2201, 2674, 3286, 3763, 4402, 5921, 7526, 10123, 11501, 11842, 13561, 15407, 20246, 23002, 26341, 27122, 30814, 41447, 52682, 70861, 82894, 94927, 116653, 141722, 189854, 233306, 313813, 420391, 627626, 718733, 816571, 840782, 1437466, 1633142, 2196691, 2942737, 4393382, 5031131, 5885474, 10062262, 22280723, 44561446, 155965061, 311930122]

約数ペア:

[(1, 311930122), (2, 155965061), (7, 44561446), (14, 22280723), (31, 10062262), (53, 5885474), (62, 5031131), (71, 4393382), (106, 2942737), (142, 2196691), (191, 1633142), (217, 1437466), (371, 840782), (382, 816571), (434, 718733), (497, 627626), (742, 420391), (994, 313813), (1337, 233306), (1643, 189854), (2201, 141722), (2674, 116653), (3286, 94927), (3763, 82894), (4402, 70861), (5921, 52682), (7526, 41447), (10123, 30814), (11501, 27122), (11842, 26341), (13561, 23002), (15407, 20246)]