78742188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{312469}}^1$

素因数の和:312486

約数の個数: 36

約数和(自身を含む): 227478160

約数和(自身を除く): 148735972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 312469, 624938, 937407, 1249876, 1874814, 2187283, 2812221, 3749628, 4374566, 5624442, 6561849, 8749132, 11248884, 13123698, 19685547, 26247396, 39371094, 78742188]

約数ペア:

[(1, 78742188), (2, 39371094), (3, 26247396), (4, 19685547), (6, 13123698), (7, 11248884), (9, 8749132), (12, 6561849), (14, 5624442), (18, 4374566), (21, 3749628), (28, 2812221), (36, 2187283), (42, 1874814), (63, 1249876), (84, 937407), (126, 624938), (252, 312469)]