1628528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 3630720

約数和(自身を除く): 2002192

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 487, 836, 974, 1672, 1948, 3344, 3896, 5357, 7792, 9253, 10714, 18506, 21428, 37012, 42856, 74024, 85712, 101783, 148048, 203566, 407132, 814264, 1628528]

約数ペア:

[(1, 1628528), (2, 814264), (4, 407132), (8, 203566), (11, 148048), (16, 101783), (19, 85712), (22, 74024), (38, 42856), (44, 37012), (76, 21428), (88, 18506), (152, 10714), (176, 9253), (209, 7792), (304, 5357), (418, 3896), (487, 3344), (836, 1948), (974, 1672)]