28186424

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 64800000

約数和(自身を除く): 36613576

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 59, 76, 118, 133, 152, 236, 266, 413, 449, 472, 532, 826, 898, 1064, 1121, 1652, 1796, 2242, 3143, 3304, 3592, 4484, 6286, 7847, 8531, 8968, 12572, 15694, 17062, 25144, 26491, 31388, 34124, 52982, 59717, 62776, 68248, 105964, 119434, 185437, 211928, 238868, 370874, 477736, 503329, 741748, 1006658, 1483496, 2013316, 3523303, 4026632, 7046606, 14093212, 28186424]

約数ペア:

[(1, 28186424), (2, 14093212), (4, 7046606), (7, 4026632), (8, 3523303), (14, 2013316), (19, 1483496), (28, 1006658), (38, 741748), (56, 503329), (59, 477736), (76, 370874), (118, 238868), (133, 211928), (152, 185437), (236, 119434), (266, 105964), (413, 68248), (449, 62776), (472, 59717), (532, 52982), (826, 34124), (898, 31388), (1064, 26491), (1121, 25144), (1652, 17062), (1796, 15694), (2242, 12572), (3143, 8968), (3304, 8531), (3592, 7847), (4484, 6286)]