78498216

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^2\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 216879390

約数和(自身を除く): 138381174

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 293, 366, 488, 549, 586, 732, 879, 1098, 1172, 1464, 1758, 2196, 2344, 2637, 3516, 3721, 4392, 5274, 7032, 7442, 10548, 11163, 14884, 17873, 21096, 22326, 29768, 33489, 35746, 44652, 53619, 66978, 71492, 89304, 107238, 133956, 142984, 160857, 214476, 267912, 321714, 428952, 643428, 1090253, 1286856, 2180506, 3270759, 4361012, 6541518, 8722024, 9812277, 13083036, 19624554, 26166072, 39249108, 78498216]

約数ペア:

[(1, 78498216), (2, 39249108), (3, 26166072), (4, 19624554), (6, 13083036), (8, 9812277), (9, 8722024), (12, 6541518), (18, 4361012), (24, 3270759), (36, 2180506), (61, 1286856), (72, 1090253), (122, 643428), (183, 428952), (244, 321714), (293, 267912), (366, 214476), (488, 160857), (549, 142984), (586, 133956), (732, 107238), (879, 89304), (1098, 71492), (1172, 66978), (1464, 53619), (1758, 44652), (2196, 35746), (2344, 33489), (2637, 29768), (3516, 22326), (3721, 21096), (4392, 17873), (5274, 14884), (7032, 11163), (7442, 10548)]