640366896

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1026229}}^1$

素因数の和:1026253

約数の個数: 40

約数和(自身を含む): 1781535280

約数和(自身を除く): 1141168384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1026229, 2052458, 3078687, 4104916, 6157374, 8209832, 12314748, 13340977, 16419664, 24629496, 26681954, 40022931, 49258992, 53363908, 80045862, 106727816, 160091724, 213455632, 320183448, 640366896]

約数ペア:

[(1, 640366896), (2, 320183448), (3, 213455632), (4, 160091724), (6, 106727816), (8, 80045862), (12, 53363908), (13, 49258992), (16, 40022931), (24, 26681954), (26, 24629496), (39, 16419664), (48, 13340977), (52, 12314748), (78, 8209832), (104, 6157374), (156, 4104916), (208, 3078687), (312, 2052458), (624, 1026229)]