8985618

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 20217600

約数和(自身を除く): 11231982

約数列:

[1, 2, 3, 6, 9, 18, 71, 79, 89, 142, 158, 178, 213, 237, 267, 426, 474, 534, 639, 711, 801, 1278, 1422, 1602, 5609, 6319, 7031, 11218, 12638, 14062, 16827, 18957, 21093, 33654, 37914, 42186, 50481, 56871, 63279, 100962, 113742, 126558, 499201, 998402, 1497603, 2995206, 4492809, 8985618]

約数ペア:

[(1, 8985618), (2, 4492809), (3, 2995206), (6, 1497603), (9, 998402), (18, 499201), (71, 126558), (79, 113742), (89, 100962), (142, 63279), (158, 56871), (178, 50481), (213, 42186), (237, 37914), (267, 33654), (426, 21093), (474, 18957), (534, 16827), (639, 14062), (711, 12638), (801, 11218), (1278, 7031), (1422, 6319), (1602, 5609)]