81198256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2179}}^1$

素因数の和:2341

約数の個数: 40

約数和(自身を含む): 167868720

約数和(自身を除く): 86670464

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 548, 1096, 2179, 2192, 2329, 4358, 4658, 8716, 9316, 17432, 18632, 34864, 37043, 37264, 74086, 148172, 296344, 298523, 592688, 597046, 1194092, 2388184, 4776368, 5074891, 10149782, 20299564, 40599128, 81198256]

約数ペア:

[(1, 81198256), (2, 40599128), (4, 20299564), (8, 10149782), (16, 5074891), (17, 4776368), (34, 2388184), (68, 1194092), (136, 597046), (137, 592688), (272, 298523), (274, 296344), (548, 148172), (1096, 74086), (2179, 37264), (2192, 37043), (2329, 34864), (4358, 18632), (4658, 17432), (8716, 9316)]