72661264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20549}}^1$

素因数の和:20587

約数の個数: 40

約数和(自身を含む): 160536600

約数和(自身を除く): 87875336

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20549, 41098, 82196, 164392, 267137, 328784, 349333, 534274, 698666, 1068548, 1397332, 2137096, 2794664, 4274192, 4541329, 5589328, 9082658, 18165316, 36330632, 72661264]

約数ペア:

[(1, 72661264), (2, 36330632), (4, 18165316), (8, 9082658), (13, 5589328), (16, 4541329), (17, 4274192), (26, 2794664), (34, 2137096), (52, 1397332), (68, 1068548), (104, 698666), (136, 534274), (208, 349333), (221, 328784), (272, 267137), (442, 164392), (884, 82196), (1768, 41098), (3536, 20549)]