661042832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2174483}}^1$

素因数の和:2174510

約数の個数: 20

約数和(自身を含む): 1348180080

約数和(自身を除く): 687137248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2174483, 4348966, 8697932, 17395864, 34791728, 41315177, 82630354, 165260708, 330521416, 661042832]

約数ペア:

[(1, 661042832), (2, 330521416), (4, 165260708), (8, 82630354), (16, 41315177), (19, 34791728), (38, 17395864), (76, 8697932), (152, 4348966), (304, 2174483)]