12721098

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5310

約数の個数: 32

約数和(自身を含む): 28288512

約数和(自身を除く): 15567414

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 5261, 10522, 15783, 31566, 68393, 136786, 163091, 205179, 326182, 410358, 489273, 978546, 2120183, 4240366, 6360549, 12721098]

約数ペア:

[(1, 12721098), (2, 6360549), (3, 4240366), (6, 2120183), (13, 978546), (26, 489273), (31, 410358), (39, 326182), (62, 205179), (78, 163091), (93, 136786), (186, 68393), (403, 31566), (806, 15783), (1209, 10522), (2418, 5261)]