31997264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9049}}^1$

素因数の和:9087

約数の個数: 40

約数和(自身を含む): 70698600

約数和(自身を除く): 38701336

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 9049, 18098, 36196, 72392, 117637, 144784, 153833, 235274, 307666, 470548, 615332, 941096, 1230664, 1882192, 1999829, 2461328, 3999658, 7999316, 15998632, 31997264]

約数ペア:

[(1, 31997264), (2, 15998632), (4, 7999316), (8, 3999658), (13, 2461328), (16, 1999829), (17, 1882192), (26, 1230664), (34, 941096), (52, 615332), (68, 470548), (104, 307666), (136, 235274), (208, 153833), (221, 144784), (272, 117637), (442, 72392), (884, 36196), (1768, 18098), (3536, 9049)]