8680868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 18299904

約数和(自身を除く): 9619036

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 124, 137, 146, 217, 274, 292, 434, 511, 548, 868, 959, 1022, 1918, 2044, 2263, 3836, 4247, 4526, 8494, 9052, 10001, 15841, 16988, 20002, 29729, 31682, 40004, 59458, 63364, 70007, 118916, 140014, 280028, 310031, 620062, 1240124, 2170217, 4340434, 8680868]

約数ペア:

[(1, 8680868), (2, 4340434), (4, 2170217), (7, 1240124), (14, 620062), (28, 310031), (31, 280028), (62, 140014), (73, 118916), (124, 70007), (137, 63364), (146, 59458), (217, 40004), (274, 31682), (292, 29729), (434, 20002), (511, 16988), (548, 15841), (868, 10001), (959, 9052), (1022, 8494), (1918, 4526), (2044, 4247), (2263, 3836)]