1321613824

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{83267}}^1$

素因数の和:83316

約数の個数: 40

約数和(自身を含む): 2725861248

約数和(自身を除く): 1404247424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 83267, 166534, 333068, 666136, 1332272, 2581277, 2664544, 5162554, 5329088, 10325108, 10658176, 20650216, 21316352, 41300432, 42632704, 82600864, 165201728, 330403456, 660806912, 1321613824]

約数ペア:

[(1, 1321613824), (2, 660806912), (4, 330403456), (8, 165201728), (16, 82600864), (31, 42632704), (32, 41300432), (62, 21316352), (64, 20650216), (124, 10658176), (128, 10325108), (248, 5329088), (256, 5162554), (496, 2664544), (512, 2581277), (992, 1332272), (1984, 666136), (3968, 333068), (7936, 166534), (15872, 83267)]