1397409968

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{284489}}^1$

素因数の和:284804

約数の個数: 20

約数和(自身を含む): 2716310520

約数和(自身を除く): 1318900552

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 284489, 568978, 1137956, 2275912, 4551824, 87338123, 174676246, 349352492, 698704984, 1397409968]

約数ペア:

[(1, 1397409968), (2, 698704984), (4, 349352492), (8, 174676246), (16, 87338123), (307, 4551824), (614, 2275912), (1228, 1137956), (2456, 568978), (4912, 284489)]