81661398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149563}}^1$

素因数の和:149588

約数の個数: 32

約数和(自身を含む): 201014016

約数和(自身を除く): 119352618

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 149563, 299126, 448689, 897378, 1046941, 1944319, 2093882, 3140823, 3888638, 5832957, 6281646, 11665914, 13610233, 27220466, 40830699, 81661398]

約数ペア:

[(1, 81661398), (2, 40830699), (3, 27220466), (6, 13610233), (7, 11665914), (13, 6281646), (14, 5832957), (21, 3888638), (26, 3140823), (39, 2093882), (42, 1944319), (78, 1046941), (91, 897378), (182, 448689), (273, 299126), (546, 149563)]