1638857552

素因数分解:

$2^4\times {\mathrm{25951}}^1\times {\mathrm{3947}}^1$

素因数の和:29906

約数の個数: 20

約数和(自身を含む): 3176213376

約数和(自身を除く): 1537355824

約数列:

[1, 2, 4, 8, 16, 3947, 7894, 15788, 25951, 31576, 51902, 63152, 103804, 207608, 415216, 102428597, 204857194, 409714388, 819428776, 1638857552]

約数ペア:

[(1, 1638857552), (2, 819428776), (4, 409714388), (8, 204857194), (16, 102428597), (3947, 415216), (7894, 207608), (15788, 103804), (25951, 63152), (31576, 51902)]