71961136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 162739584

約数和(自身を除く): 90778448

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 208, 221, 272, 376, 433, 442, 611, 752, 799, 866, 884, 1222, 1598, 1732, 1768, 2444, 3196, 3464, 3536, 4888, 5629, 6392, 6928, 7361, 9776, 10387, 11258, 12784, 14722, 20351, 20774, 22516, 29444, 40702, 41548, 45032, 58888, 81404, 83096, 90064, 95693, 117776, 162808, 166192, 191386, 264563, 325616, 345967, 382772, 529126, 691934, 765544, 1058252, 1383868, 1531088, 2116504, 2767736, 4233008, 4497571, 5535472, 8995142, 17990284, 35980568, 71961136]

約数ペア:

[(1, 71961136), (2, 35980568), (4, 17990284), (8, 8995142), (13, 5535472), (16, 4497571), (17, 4233008), (26, 2767736), (34, 2116504), (47, 1531088), (52, 1383868), (68, 1058252), (94, 765544), (104, 691934), (136, 529126), (188, 382772), (208, 345967), (221, 325616), (272, 264563), (376, 191386), (433, 166192), (442, 162808), (611, 117776), (752, 95693), (799, 90064), (866, 83096), (884, 81404), (1222, 58888), (1598, 45032), (1732, 41548), (1768, 40702), (2444, 29444), (3196, 22516), (3464, 20774), (3536, 20351), (4888, 14722), (5629, 12784), (6392, 11258), (6928, 10387), (7361, 9776)]