78678684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{312217}}^1$

素因数の和:312234

約数の個数: 36

約数和(自身を含む): 227294704

約数和(自身を除く): 148616020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 312217, 624434, 936651, 1248868, 1873302, 2185519, 2809953, 3746604, 4371038, 5619906, 6556557, 8742076, 11239812, 13113114, 19669671, 26226228, 39339342, 78678684]

約数ペア:

[(1, 78678684), (2, 39339342), (3, 26226228), (4, 19669671), (6, 13113114), (7, 11239812), (9, 8742076), (12, 6556557), (14, 5619906), (18, 4371038), (21, 3746604), (28, 2809953), (36, 2185519), (42, 1873302), (63, 1248868), (84, 936651), (126, 624434), (252, 312217)]