64019890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 127849176

約数和(自身を除く): 63829286

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 157, 242, 314, 337, 605, 674, 785, 1210, 1570, 1685, 1727, 3370, 3454, 3707, 7414, 8635, 17270, 18535, 18997, 37070, 37994, 40777, 52909, 81554, 94985, 105818, 189970, 203885, 264545, 407770, 529090, 581999, 1163998, 2909995, 5819990, 6401989, 12803978, 32009945, 64019890]

約数ペア:

[(1, 64019890), (2, 32009945), (5, 12803978), (10, 6401989), (11, 5819990), (22, 2909995), (55, 1163998), (110, 581999), (121, 529090), (157, 407770), (242, 264545), (314, 203885), (337, 189970), (605, 105818), (674, 94985), (785, 81554), (1210, 52909), (1570, 40777), (1685, 37994), (1727, 37070), (3370, 18997), (3454, 18535), (3707, 17270), (7414, 8635)]