65989328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 132777216

約数和(自身を除く): 66787888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 233, 248, 466, 496, 571, 932, 1142, 1864, 2284, 3728, 4568, 7223, 9136, 14446, 17701, 28892, 35402, 57784, 70804, 115568, 133043, 141608, 266086, 283216, 532172, 1064344, 2128688, 4124333, 8248666, 16497332, 32994664, 65989328]

約数ペア:

[(1, 65989328), (2, 32994664), (4, 16497332), (8, 8248666), (16, 4124333), (31, 2128688), (62, 1064344), (124, 532172), (233, 283216), (248, 266086), (466, 141608), (496, 133043), (571, 115568), (932, 70804), (1142, 57784), (1864, 35402), (2284, 28892), (3728, 17701), (4568, 14446), (7223, 9136)]