28465514

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 57480192

約数和(自身を除く): 29014678

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 83, 119, 131, 154, 166, 187, 238, 262, 374, 581, 913, 917, 1162, 1309, 1411, 1441, 1826, 1834, 2227, 2618, 2822, 2882, 4454, 6391, 9877, 10087, 10873, 12782, 15521, 15589, 19754, 20174, 21746, 24497, 31042, 31178, 48994, 76111, 108647, 119603, 152222, 171479, 184841, 217294, 239206, 342958, 369682, 837221, 1293887, 1674442, 2033251, 2587774, 4066502, 14232757, 28465514]

約数ペア:

[(1, 28465514), (2, 14232757), (7, 4066502), (11, 2587774), (14, 2033251), (17, 1674442), (22, 1293887), (34, 837221), (77, 369682), (83, 342958), (119, 239206), (131, 217294), (154, 184841), (166, 171479), (187, 152222), (238, 119603), (262, 108647), (374, 76111), (581, 48994), (913, 31178), (917, 31042), (1162, 24497), (1309, 21746), (1411, 20174), (1441, 19754), (1826, 15589), (1834, 15521), (2227, 12782), (2618, 10873), (2822, 10087), (2882, 9877), (4454, 6391)]