1291728272

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{279353}}^1$

素因数の和:279395

約数の個数: 30

約数和(自身を含む): 2658612018

約数和(自身を除く): 1366883746

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 279353, 558706, 1117412, 2234824, 4469648, 4749001, 9498002, 18996004, 37992008, 75984016, 80733017, 161466034, 322932068, 645864136, 1291728272]

約数ペア:

[(1, 1291728272), (2, 645864136), (4, 322932068), (8, 161466034), (16, 80733017), (17, 75984016), (34, 37992008), (68, 18996004), (136, 9498002), (272, 4749001), (289, 4469648), (578, 2234824), (1156, 1117412), (2312, 558706), (4624, 279353)]