12990426

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 27027456

約数和(自身を除く): 14037030

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 211, 331, 422, 633, 662, 993, 1266, 1986, 6541, 10261, 13082, 19623, 20522, 30783, 39246, 61566, 69841, 139682, 209523, 419046, 2165071, 4330142, 6495213, 12990426]

約数ペア:

[(1, 12990426), (2, 6495213), (3, 4330142), (6, 2165071), (31, 419046), (62, 209523), (93, 139682), (186, 69841), (211, 61566), (331, 39246), (422, 30783), (633, 20522), (662, 19623), (993, 13082), (1266, 10261), (1986, 6541)]