90110251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 128894976

約数和(自身を除く): 38784725

約数列:

[1, 7, 11, 17, 23, 41, 73, 77, 119, 161, 187, 253, 287, 391, 451, 511, 697, 803, 943, 1241, 1309, 1679, 1771, 2737, 2993, 3157, 4301, 4879, 5621, 6601, 7667, 8687, 10373, 11753, 13651, 16031, 18469, 20951, 28543, 30107, 32923, 50881, 53669, 68839, 72611, 95557, 112217, 129283, 176341, 199801, 230461, 313973, 356167, 481873, 559691, 757229, 1170263, 1234387, 2197811, 3917837, 5300603, 8191841, 12872893, 90110251]

約数ペア:

[(1, 90110251), (7, 12872893), (11, 8191841), (17, 5300603), (23, 3917837), (41, 2197811), (73, 1234387), (77, 1170263), (119, 757229), (161, 559691), (187, 481873), (253, 356167), (287, 313973), (391, 230461), (451, 199801), (511, 176341), (697, 129283), (803, 112217), (943, 95557), (1241, 72611), (1309, 68839), (1679, 53669), (1771, 50881), (2737, 32923), (2993, 30107), (3157, 28543), (4301, 20951), (4879, 18469), (5621, 16031), (6601, 13651), (7667, 11753), (8687, 10373)]