287949265

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 369165600

約数和(自身を除く): 81216335

約数列:

[1, 5, 29, 53, 89, 145, 265, 421, 445, 1537, 2105, 2581, 4717, 7685, 12209, 12905, 22313, 23585, 37469, 61045, 111565, 136793, 187345, 647077, 683965, 1086601, 1985857, 3235385, 5433005, 9929285, 57589853, 287949265]

約数ペア:

[(1, 287949265), (5, 57589853), (29, 9929285), (53, 5433005), (89, 3235385), (145, 1985857), (265, 1086601), (421, 683965), (445, 647077), (1537, 187345), (2105, 136793), (2581, 111565), (4717, 61045), (7685, 37469), (12209, 23585), (12905, 22313)]