409627990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1\times {\mathrm{953}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 752957856

約数和(自身を除く): 343329866

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 811, 953, 1622, 1906, 4055, 4765, 8110, 9530, 42983, 50509, 85966, 101018, 214915, 252545, 429830, 505090, 772883, 1545766, 3864415, 7728830, 40962799, 81925598, 204813995, 409627990]

約数ペア:

[(1, 409627990), (2, 204813995), (5, 81925598), (10, 40962799), (53, 7728830), (106, 3864415), (265, 1545766), (530, 772883), (811, 505090), (953, 429830), (1622, 252545), (1906, 214915), (4055, 101018), (4765, 85966), (8110, 50509), (9530, 42983)]