31579216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1423}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 65333120

約数和(自身を除く): 33753904

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 1168, 1387, 1423, 2774, 2846, 5548, 5692, 11096, 11384, 22192, 22768, 27037, 54074, 103879, 108148, 207758, 216296, 415516, 432592, 831032, 1662064, 1973701, 3947402, 7894804, 15789608, 31579216]

約数ペア:

[(1, 31579216), (2, 15789608), (4, 7894804), (8, 3947402), (16, 1973701), (19, 1662064), (38, 831032), (73, 432592), (76, 415516), (146, 216296), (152, 207758), (292, 108148), (304, 103879), (584, 54074), (1168, 27037), (1387, 22768), (1423, 22192), (2774, 11384), (2846, 11096), (5548, 5692)]