64865744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238477}}^1$

素因数の和:238502

約数の個数: 20

約数和(自身を含む): 133070724

約数和(自身を除く): 68204980

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238477, 476954, 953908, 1907816, 3815632, 4054109, 8108218, 16216436, 32432872, 64865744]

約数ペア:

[(1, 64865744), (2, 32432872), (4, 16216436), (8, 8108218), (16, 4054109), (17, 3815632), (34, 1907816), (68, 953908), (136, 476954), (272, 238477)]