2153968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{7919}}^1$

素因数の和:7944

約数の個数: 20

約数和(自身を含む): 4419360

約数和(自身を除く): 2265392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7919, 15838, 31676, 63352, 126704, 134623, 269246, 538492, 1076984, 2153968]

約数ペア:

[(1, 2153968), (2, 1076984), (4, 538492), (8, 269246), (16, 134623), (17, 126704), (34, 63352), (68, 31676), (136, 15838), (272, 7919)]