74987380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{288413}}^1$

素因数の和:288435

約数の個数: 24

約数和(自身を含む): 169587432

約数和(自身を除く): 94600052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 288413, 576826, 1153652, 1442065, 2884130, 3749369, 5768260, 7498738, 14997476, 18746845, 37493690, 74987380]

約数ペア:

[(1, 74987380), (2, 37493690), (4, 18746845), (5, 14997476), (10, 7498738), (13, 5768260), (20, 3749369), (26, 2884130), (52, 1442065), (65, 1153652), (130, 576826), (260, 288413)]