311337260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1197451}}^1$

素因数の和:1197473

約数の個数: 24

約数和(自身を含む): 704101776

約数和(自身を除く): 392764516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1197451, 2394902, 4789804, 5987255, 11974510, 15566863, 23949020, 31133726, 62267452, 77834315, 155668630, 311337260]

約数ペア:

[(1, 311337260), (2, 155668630), (4, 77834315), (5, 62267452), (10, 31133726), (13, 23949020), (20, 15566863), (26, 11974510), (52, 5987255), (65, 4789804), (130, 2394902), (260, 1197451)]