7720398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 19408896

約数和(自身を除く): 11688498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 863, 994, 1278, 1491, 1726, 2589, 2982, 4473, 5178, 6041, 7767, 8946, 12082, 15534, 18123, 36246, 54369, 61273, 108738, 122546, 183819, 367638, 428911, 551457, 857822, 1102914, 1286733, 2573466, 3860199, 7720398]

約数ペア:

[(1, 7720398), (2, 3860199), (3, 2573466), (6, 1286733), (7, 1102914), (9, 857822), (14, 551457), (18, 428911), (21, 367638), (42, 183819), (63, 122546), (71, 108738), (126, 61273), (142, 54369), (213, 36246), (426, 18123), (497, 15534), (639, 12082), (863, 8946), (994, 7767), (1278, 6041), (1491, 5178), (1726, 4473), (2589, 2982)]