221529656

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 219732424

約数列:

[1, 2, 4, 8, 37, 71, 74, 83, 127, 142, 148, 166, 254, 284, 296, 332, 508, 568, 664, 1016, 2627, 3071, 4699, 5254, 5893, 6142, 9017, 9398, 10508, 10541, 11786, 12284, 18034, 18796, 21016, 21082, 23572, 24568, 36068, 37592, 42164, 47144, 72136, 84328, 218041, 333629, 390017, 436082, 667258, 748411, 780034, 872164, 1334516, 1496822, 1560068, 1744328, 2669032, 2993644, 3120136, 5987288, 27691207, 55382414, 110764828, 221529656]

約数ペア:

[(1, 221529656), (2, 110764828), (4, 55382414), (8, 27691207), (37, 5987288), (71, 3120136), (74, 2993644), (83, 2669032), (127, 1744328), (142, 1560068), (148, 1496822), (166, 1334516), (254, 872164), (284, 780034), (296, 748411), (332, 667258), (508, 436082), (568, 390017), (664, 333629), (1016, 218041), (2627, 84328), (3071, 72136), (4699, 47144), (5254, 42164), (5893, 37592), (6142, 36068), (9017, 24568), (9398, 23572), (10508, 21082), (10541, 21016), (11786, 18796), (12284, 18034)]