221290768

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{47857}}^1$

素因数の和:47899

約数の個数: 30

約数和(自身を含む): 455464586

約数和(自身を除く): 234173818

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 47857, 95714, 191428, 382856, 765712, 813569, 1627138, 3254276, 6508552, 13017104, 13830673, 27661346, 55322692, 110645384, 221290768]

約数ペア:

[(1, 221290768), (2, 110645384), (4, 55322692), (8, 27661346), (16, 13830673), (17, 13017104), (34, 6508552), (68, 3254276), (136, 1627138), (272, 813569), (289, 765712), (578, 382856), (1156, 191428), (2312, 95714), (4624, 47857)]