81711536

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1091}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 164656128

約数和(自身を除く): 82944592

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 302, 496, 604, 1091, 1208, 2182, 2416, 4364, 4681, 8728, 9362, 17456, 18724, 33821, 37448, 67642, 74896, 135284, 164741, 270568, 329482, 541136, 658964, 1317928, 2635856, 5106971, 10213942, 20427884, 40855768, 81711536]

約数ペア:

[(1, 81711536), (2, 40855768), (4, 20427884), (8, 10213942), (16, 5106971), (31, 2635856), (62, 1317928), (124, 658964), (151, 541136), (248, 329482), (302, 270568), (496, 164741), (604, 135284), (1091, 74896), (1208, 67642), (2182, 37448), (2416, 33821), (4364, 18724), (4681, 17456), (8728, 9362)]