131312272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90187}}^1$

素因数の和:90215

約数の個数: 40

約数和(自身を含む): 313132736

約数和(自身を除く): 181820464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 90187, 180374, 360748, 631309, 721496, 1172431, 1262618, 1442992, 2344862, 2525236, 4689724, 5050472, 8207017, 9379448, 10100944, 16414034, 18758896, 32828068, 65656136, 131312272]

約数ペア:

[(1, 131312272), (2, 65656136), (4, 32828068), (7, 18758896), (8, 16414034), (13, 10100944), (14, 9379448), (16, 8207017), (26, 5050472), (28, 4689724), (52, 2525236), (56, 2344862), (91, 1442992), (104, 1262618), (112, 1172431), (182, 721496), (208, 631309), (364, 360748), (728, 180374), (1456, 90187)]