213538412

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{5503}}^1$

素因数の和:5705

約数の個数: 24

約数和(自身を含む): 381427200

約数和(自身を除く): 167888788

約数列:

[1, 2, 4, 89, 109, 178, 218, 356, 436, 5503, 9701, 11006, 19402, 22012, 38804, 489767, 599827, 979534, 1199654, 1959068, 2399308, 53384603, 106769206, 213538412]

約数ペア:

[(1, 213538412), (2, 106769206), (4, 53384603), (89, 2399308), (109, 1959068), (178, 1199654), (218, 979534), (356, 599827), (436, 489767), (5503, 38804), (9701, 22012), (11006, 19402)]