217648368

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{215921}}^1$

素因数の和:215942

約数の個数: 60

約数和(自身を含む): 696132528

約数和(自身を除く): 478484160

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 215921, 431842, 647763, 863684, 1295526, 1511447, 1727368, 1943289, 2591052, 3022894, 3454736, 3886578, 4534341, 5182104, 6045788, 7773156, 9068682, 10364208, 12091576, 13603023, 15546312, 18137364, 24183152, 27206046, 31092624, 36274728, 54412092, 72549456, 108824184, 217648368]

約数ペア:

[(1, 217648368), (2, 108824184), (3, 72549456), (4, 54412092), (6, 36274728), (7, 31092624), (8, 27206046), (9, 24183152), (12, 18137364), (14, 15546312), (16, 13603023), (18, 12091576), (21, 10364208), (24, 9068682), (28, 7773156), (36, 6045788), (42, 5182104), (48, 4534341), (56, 3886578), (63, 3454736), (72, 3022894), (84, 2591052), (112, 1943289), (126, 1727368), (144, 1511447), (168, 1295526), (252, 863684), (336, 647763), (504, 431842), (1008, 215921)]