258258910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{40543}}^1$

素因数の和:40577

約数の個数: 48

約数和(自身を含む): 582374016

約数和(自身を除く): 324115106

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 40543, 81086, 202715, 283801, 405430, 527059, 567602, 1054118, 1419005, 1986607, 2635295, 2838010, 3689413, 3973214, 5270590, 7378826, 9933035, 18447065, 19866070, 25825891, 36894130, 51651782, 129129455, 258258910]

約数ペア:

[(1, 258258910), (2, 129129455), (5, 51651782), (7, 36894130), (10, 25825891), (13, 19866070), (14, 18447065), (26, 9933035), (35, 7378826), (49, 5270590), (65, 3973214), (70, 3689413), (91, 2838010), (98, 2635295), (130, 1986607), (182, 1419005), (245, 1054118), (455, 567602), (490, 527059), (637, 405430), (910, 283801), (1274, 202715), (3185, 81086), (6370, 40543)]