39389938

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 71020800

約数和(自身を除く): 31630862

約数列:

[1, 2, 7, 14, 23, 46, 149, 161, 298, 322, 821, 1043, 1642, 2086, 3427, 5747, 6854, 11494, 18883, 23989, 37766, 47978, 122329, 132181, 244658, 264362, 856303, 1712606, 2813567, 5627134, 19694969, 39389938]

約数ペア:

[(1, 39389938), (2, 19694969), (7, 5627134), (14, 2813567), (23, 1712606), (46, 856303), (149, 264362), (161, 244658), (298, 132181), (322, 122329), (821, 47978), (1043, 37766), (1642, 23989), (2086, 18883), (3427, 11494), (5747, 6854)]