81691078

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4159}}^1$

素因数の和:4252

約数の個数: 32

約数和(自身を含む): 148561920

約数和(自身を除く): 66870842

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1403, 2806, 4159, 8318, 9821, 19642, 29113, 58226, 95657, 191314, 253699, 507398, 669599, 1339198, 1775893, 3551786, 5835077, 11670154, 40845539, 81691078]

約数ペア:

[(1, 81691078), (2, 40845539), (7, 11670154), (14, 5835077), (23, 3551786), (46, 1775893), (61, 1339198), (122, 669599), (161, 507398), (322, 253699), (427, 191314), (854, 95657), (1403, 58226), (2806, 29113), (4159, 19642), (8318, 9821)]