28737618

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 73696896

約数和(自身を除く): 44959278

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 73, 78, 91, 98, 103, 146, 147, 182, 206, 219, 273, 294, 309, 438, 511, 546, 618, 637, 721, 949, 1022, 1274, 1339, 1442, 1533, 1898, 1911, 2163, 2678, 2847, 3066, 3577, 3822, 4017, 4326, 5047, 5694, 6643, 7154, 7519, 8034, 9373, 10094, 10731, 13286, 15038, 15141, 18746, 19929, 21462, 22557, 28119, 30282, 39858, 45114, 46501, 52633, 56238, 65611, 93002, 97747, 105266, 131222, 139503, 157899, 195494, 196833, 279006, 293241, 315798, 368431, 393666, 586482, 684229, 736862, 1105293, 1368458, 2052687, 2210586, 4105374, 4789603, 9579206, 14368809, 28737618]

約数ペア:

[(1, 28737618), (2, 14368809), (3, 9579206), (6, 4789603), (7, 4105374), (13, 2210586), (14, 2052687), (21, 1368458), (26, 1105293), (39, 736862), (42, 684229), (49, 586482), (73, 393666), (78, 368431), (91, 315798), (98, 293241), (103, 279006), (146, 196833), (147, 195494), (182, 157899), (206, 139503), (219, 131222), (273, 105266), (294, 97747), (309, 93002), (438, 65611), (511, 56238), (546, 52633), (618, 46501), (637, 45114), (721, 39858), (949, 30282), (1022, 28119), (1274, 22557), (1339, 21462), (1442, 19929), (1533, 18746), (1898, 15141), (1911, 15038), (2163, 13286), (2678, 10731), (2847, 10094), (3066, 9373), (3577, 8034), (3822, 7519), (4017, 7154), (4326, 6643), (5047, 5694)]