81505634

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2803}}^1$

素因数の和:2910

約数の個数: 32

約数和(自身を含む): 146436096

約数和(自身を除く): 64930462

約数列:

[1, 2, 7, 14, 31, 62, 67, 134, 217, 434, 469, 938, 2077, 2803, 4154, 5606, 14539, 19621, 29078, 39242, 86893, 173786, 187801, 375602, 608251, 1216502, 1314607, 2629214, 5821831, 11643662, 40752817, 81505634]

約数ペア:

[(1, 81505634), (2, 40752817), (7, 11643662), (14, 5821831), (31, 2629214), (62, 1314607), (67, 1216502), (134, 608251), (217, 375602), (434, 187801), (469, 173786), (938, 86893), (2077, 39242), (2803, 29078), (4154, 19621), (5606, 14539)]