25518558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 58947840

約数和(自身を除く): 33429282

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 67, 78, 114, 134, 201, 247, 257, 402, 494, 514, 741, 771, 871, 1273, 1482, 1542, 1742, 2546, 2613, 3341, 3819, 4883, 5226, 6682, 7638, 9766, 10023, 14649, 16549, 17219, 20046, 29298, 33098, 34438, 49647, 51657, 63479, 99294, 103314, 126958, 190437, 223847, 327161, 380874, 447694, 654322, 671541, 981483, 1343082, 1962966, 4253093, 8506186, 12759279, 25518558]

約数ペア:

[(1, 25518558), (2, 12759279), (3, 8506186), (6, 4253093), (13, 1962966), (19, 1343082), (26, 981483), (38, 671541), (39, 654322), (57, 447694), (67, 380874), (78, 327161), (114, 223847), (134, 190437), (201, 126958), (247, 103314), (257, 99294), (402, 63479), (494, 51657), (514, 49647), (741, 34438), (771, 33098), (871, 29298), (1273, 20046), (1482, 17219), (1542, 16549), (1742, 14649), (2546, 10023), (2613, 9766), (3341, 7638), (3819, 6682), (4883, 5226)]