28795858

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 57915648

約数和(自身を除く): 29119790

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 41, 82, 91, 119, 182, 221, 227, 238, 287, 442, 454, 533, 574, 697, 1066, 1394, 1547, 1589, 2951, 3094, 3178, 3731, 3859, 4879, 5902, 7462, 7718, 9061, 9307, 9758, 18122, 18614, 20657, 27013, 41314, 50167, 54026, 63427, 65149, 100334, 120991, 126854, 130298, 158219, 241982, 316438, 351169, 702338, 846937, 1107533, 1693874, 2056847, 2215066, 4113694, 14397929, 28795858]

約数ペア:

[(1, 28795858), (2, 14397929), (7, 4113694), (13, 2215066), (14, 2056847), (17, 1693874), (26, 1107533), (34, 846937), (41, 702338), (82, 351169), (91, 316438), (119, 241982), (182, 158219), (221, 130298), (227, 126854), (238, 120991), (287, 100334), (442, 65149), (454, 63427), (533, 54026), (574, 50167), (697, 41314), (1066, 27013), (1394, 20657), (1547, 18614), (1589, 18122), (2951, 9758), (3094, 9307), (3178, 9061), (3731, 7718), (3859, 7462), (4879, 5902)]