64778704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238157}}^1$

素因数の和:238182

約数の個数: 20

約数和(自身を含む): 132892164

約数和(自身を除く): 68113460

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238157, 476314, 952628, 1905256, 3810512, 4048669, 8097338, 16194676, 32389352, 64778704]

約数ペア:

[(1, 64778704), (2, 32389352), (4, 16194676), (8, 8097338), (16, 4048669), (17, 3810512), (34, 1905256), (68, 952628), (136, 476314), (272, 238157)]