15128776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 33264000

約数和(自身を除く): 18135224

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 68, 86, 104, 136, 172, 199, 221, 344, 398, 442, 559, 731, 796, 884, 1118, 1462, 1592, 1768, 2236, 2587, 2924, 3383, 4472, 5174, 5848, 6766, 8557, 9503, 10348, 13532, 17114, 19006, 20696, 27064, 34228, 38012, 43979, 68456, 76024, 87958, 111241, 145469, 175916, 222482, 290938, 351832, 444964, 581876, 889928, 1163752, 1891097, 3782194, 7564388, 15128776]

約数ペア:

[(1, 15128776), (2, 7564388), (4, 3782194), (8, 1891097), (13, 1163752), (17, 889928), (26, 581876), (34, 444964), (43, 351832), (52, 290938), (68, 222482), (86, 175916), (104, 145469), (136, 111241), (172, 87958), (199, 76024), (221, 68456), (344, 43979), (398, 38012), (442, 34228), (559, 27064), (731, 20696), (796, 19006), (884, 17114), (1118, 13532), (1462, 10348), (1592, 9503), (1768, 8557), (2236, 6766), (2587, 5848), (2924, 5174), (3383, 4472)]