28311010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 64012032

約数和(自身を除く): 35701022

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 265, 371, 455, 530, 587, 689, 742, 910, 1174, 1378, 1855, 2935, 3445, 3710, 4109, 4823, 5870, 6890, 7631, 8218, 9646, 15262, 20545, 24115, 31111, 38155, 41090, 48230, 53417, 62222, 76310, 106834, 155555, 217777, 267085, 311110, 404443, 435554, 534170, 808886, 1088885, 2022215, 2177770, 2831101, 4044430, 5662202, 14155505, 28311010]

約数ペア:

[(1, 28311010), (2, 14155505), (5, 5662202), (7, 4044430), (10, 2831101), (13, 2177770), (14, 2022215), (26, 1088885), (35, 808886), (53, 534170), (65, 435554), (70, 404443), (91, 311110), (106, 267085), (130, 217777), (182, 155555), (265, 106834), (371, 76310), (455, 62222), (530, 53417), (587, 48230), (689, 41090), (742, 38155), (910, 31111), (1174, 24115), (1378, 20545), (1855, 15262), (2935, 9646), (3445, 8218), (3710, 7631), (4109, 6890), (4823, 5870)]