1981502608

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{10177}}^1$

素因数の和:10511

約数の個数: 40

約数和(自身を含む): 3942712928

約数和(自身を除く): 1961210320

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 283, 344, 566, 688, 1132, 2264, 4528, 10177, 12169, 20354, 24338, 40708, 48676, 81416, 97352, 162832, 194704, 437611, 875222, 1750444, 2880091, 3500888, 5760182, 7001776, 11520364, 23040728, 46081456, 123843913, 247687826, 495375652, 990751304, 1981502608]

約数ペア:

[(1, 1981502608), (2, 990751304), (4, 495375652), (8, 247687826), (16, 123843913), (43, 46081456), (86, 23040728), (172, 11520364), (283, 7001776), (344, 5760182), (566, 3500888), (688, 2880091), (1132, 1750444), (2264, 875222), (4528, 437611), (10177, 194704), (12169, 162832), (20354, 97352), (24338, 81416), (40708, 48676)]