122978178

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{220391}}^1$

素因数の和:220430

約数の個数: 24

約数和(自身を含む): 275049216

約数和(自身を除く): 152071038

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 220391, 440782, 661173, 1322346, 1983519, 3967038, 6832121, 13664242, 20496363, 40992726, 61489089, 122978178]

約数ペア:

[(1, 122978178), (2, 61489089), (3, 40992726), (6, 20496363), (9, 13664242), (18, 6832121), (31, 3967038), (62, 1983519), (93, 1322346), (186, 661173), (279, 440782), (558, 220391)]