15965768

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 37864530

約数和(自身を除く): 21898762

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 241, 338, 364, 392, 482, 637, 676, 728, 964, 1183, 1274, 1352, 1687, 1928, 2366, 2548, 3133, 3374, 4732, 5096, 6266, 6748, 8281, 9464, 11809, 12532, 13496, 16562, 21931, 23618, 25064, 33124, 40729, 43862, 47236, 66248, 81458, 87724, 94472, 153517, 162916, 175448, 285103, 307034, 325832, 570206, 614068, 1140412, 1228136, 1995721, 2280824, 3991442, 7982884, 15965768]

約数ペア:

[(1, 15965768), (2, 7982884), (4, 3991442), (7, 2280824), (8, 1995721), (13, 1228136), (14, 1140412), (26, 614068), (28, 570206), (49, 325832), (52, 307034), (56, 285103), (91, 175448), (98, 162916), (104, 153517), (169, 94472), (182, 87724), (196, 81458), (241, 66248), (338, 47236), (364, 43862), (392, 40729), (482, 33124), (637, 25064), (676, 23618), (728, 21931), (964, 16562), (1183, 13496), (1274, 12532), (1352, 11809), (1687, 9464), (1928, 8281), (2366, 6748), (2548, 6266), (3133, 5096), (3374, 4732)]