1991027358

素因数分解:

$2^1\times 3^3\times {\mathrm{577}}^1\times {\mathrm{63901}}^1$

素因数の和:64489

約数の個数: 32

約数和(自身を含む): 4432242720

約数和(自身を除く): 2441215362

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 577, 1154, 1731, 3462, 5193, 10386, 15579, 31158, 63901, 127802, 191703, 383406, 575109, 1150218, 1725327, 3450654, 36870877, 73741754, 110612631, 221225262, 331837893, 663675786, 995513679, 1991027358]

約数ペア:

[(1, 1991027358), (2, 995513679), (3, 663675786), (6, 331837893), (9, 221225262), (18, 110612631), (27, 73741754), (54, 36870877), (577, 3450654), (1154, 1725327), (1731, 1150218), (3462, 575109), (5193, 383406), (10386, 191703), (15579, 127802), (31158, 63901)]