221484640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8191}}^1$

素因数の和:8232

約数の個数: 72

約数和(自身を含む): 566673408

約数和(自身を除く): 345188768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 8191, 13520, 16382, 27040, 32764, 40955, 65528, 81910, 106483, 131056, 163820, 212966, 262112, 327640, 425932, 532415, 655280, 851864, 1064830, 1310560, 1384279, 1703728, 2129660, 2768558, 3407456, 4259320, 5537116, 6921395, 8518640, 11074232, 13842790, 17037280, 22148464, 27685580, 44296928, 55371160, 110742320, 221484640]

約数ペア:

[(1, 221484640), (2, 110742320), (4, 55371160), (5, 44296928), (8, 27685580), (10, 22148464), (13, 17037280), (16, 13842790), (20, 11074232), (26, 8518640), (32, 6921395), (40, 5537116), (52, 4259320), (65, 3407456), (80, 2768558), (104, 2129660), (130, 1703728), (160, 1384279), (169, 1310560), (208, 1064830), (260, 851864), (338, 655280), (416, 532415), (520, 425932), (676, 327640), (845, 262112), (1040, 212966), (1352, 163820), (1690, 131056), (2080, 106483), (2704, 81910), (3380, 65528), (5408, 40955), (6760, 32764), (8191, 27040), (13520, 16382)]