81411712

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 167932800

約数和(自身を除く): 86521088

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 83, 97, 128, 158, 166, 194, 316, 332, 388, 632, 664, 776, 1264, 1328, 1552, 2528, 2656, 3104, 5056, 5312, 6208, 6557, 7663, 8051, 10112, 10624, 12416, 13114, 15326, 16102, 26228, 30652, 32204, 52456, 61304, 64408, 104912, 122608, 128816, 209824, 245216, 257632, 419648, 490432, 515264, 636029, 839296, 980864, 1030528, 1272058, 2544116, 5088232, 10176464, 20352928, 40705856, 81411712]

約数ペア:

[(1, 81411712), (2, 40705856), (4, 20352928), (8, 10176464), (16, 5088232), (32, 2544116), (64, 1272058), (79, 1030528), (83, 980864), (97, 839296), (128, 636029), (158, 515264), (166, 490432), (194, 419648), (316, 257632), (332, 245216), (388, 209824), (632, 128816), (664, 122608), (776, 104912), (1264, 64408), (1328, 61304), (1552, 52456), (2528, 32204), (2656, 30652), (3104, 26228), (5056, 16102), (5312, 15326), (6208, 13114), (6557, 12416), (7663, 10624), (8051, 10112)]