72165136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{265313}}^1$

素因数の和:265338

約数の個数: 20

約数和(自身を含む): 148045212

約数和(自身を除く): 75880076

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 265313, 530626, 1061252, 2122504, 4245008, 4510321, 9020642, 18041284, 36082568, 72165136]

約数ペア:

[(1, 72165136), (2, 36082568), (4, 18041284), (8, 9020642), (16, 4510321), (17, 4245008), (34, 2122504), (68, 1061252), (136, 530626), (272, 265313)]