1288440455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{821}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 1686744000

約数和(自身を除く): 398303545

約数列:

[1, 5, 17, 37, 85, 185, 499, 629, 821, 2495, 3145, 4105, 8483, 13957, 18463, 30377, 42415, 69785, 92315, 151885, 313871, 409679, 516409, 1569355, 2048395, 2582045, 6964543, 15158123, 34822715, 75790615, 257688091, 1288440455]

約数ペア:

[(1, 1288440455), (5, 257688091), (17, 75790615), (37, 34822715), (85, 15158123), (185, 6964543), (499, 2582045), (629, 2048395), (821, 1569355), (2495, 516409), (3145, 409679), (4105, 313871), (8483, 151885), (13957, 92315), (18463, 69785), (30377, 42415)]