127978666

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1\times {\mathrm{607}}^1$

素因数の和:1269

約数の個数: 16

約数和(自身を含む): 193489920

約数和(自身を除く): 65511254

約数列:

[1, 2, 271, 389, 542, 607, 778, 1214, 105419, 164497, 210838, 236123, 328994, 472246, 63989333, 127978666]

約数ペア:

[(1, 127978666), (2, 63989333), (271, 472246), (389, 328994), (542, 236123), (607, 210838), (778, 164497), (1214, 105419)]