28113618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 35390382

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 59, 78, 82, 118, 123, 149, 177, 246, 298, 354, 447, 533, 767, 894, 1066, 1534, 1599, 1937, 2301, 2419, 3198, 3874, 4602, 4838, 5811, 6109, 7257, 8791, 11622, 12218, 14514, 17582, 18327, 26373, 31447, 36654, 52746, 62894, 79417, 94341, 114283, 158834, 188682, 228566, 238251, 342849, 360431, 476502, 685698, 720862, 1081293, 2162586, 4685603, 9371206, 14056809, 28113618]

約数ペア:

[(1, 28113618), (2, 14056809), (3, 9371206), (6, 4685603), (13, 2162586), (26, 1081293), (39, 720862), (41, 685698), (59, 476502), (78, 360431), (82, 342849), (118, 238251), (123, 228566), (149, 188682), (177, 158834), (246, 114283), (298, 94341), (354, 79417), (447, 62894), (533, 52746), (767, 36654), (894, 31447), (1066, 26373), (1534, 18327), (1599, 17582), (1937, 14514), (2301, 12218), (2419, 11622), (3198, 8791), (3874, 7257), (4602, 6109), (4838, 5811)]