156640458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64781}}^1$

素因数の和:64830

約数の個数: 32

約数和(自身を含む): 348268032

約数和(自身を除く): 191627574

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 64781, 129562, 194343, 388686, 842153, 1684306, 2008211, 2526459, 4016422, 5052918, 6024633, 12049266, 26106743, 52213486, 78320229, 156640458]

約数ペア:

[(1, 156640458), (2, 78320229), (3, 52213486), (6, 26106743), (13, 12049266), (26, 6024633), (31, 5052918), (39, 4016422), (62, 2526459), (78, 2008211), (93, 1684306), (186, 842153), (403, 388686), (806, 194343), (1209, 129562), (2418, 64781)]