15691816

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 36391680

約数和(自身を除く): 20699864

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 311, 371, 424, 476, 622, 742, 901, 952, 1244, 1484, 1802, 2177, 2488, 2968, 3604, 4354, 5287, 6307, 7208, 8708, 10574, 12614, 16483, 17416, 21148, 25228, 32966, 37009, 42296, 50456, 65932, 74018, 115381, 131864, 148036, 230762, 280211, 296072, 461524, 560422, 923048, 1120844, 1961477, 2241688, 3922954, 7845908, 15691816]

約数ペア:

[(1, 15691816), (2, 7845908), (4, 3922954), (7, 2241688), (8, 1961477), (14, 1120844), (17, 923048), (28, 560422), (34, 461524), (53, 296072), (56, 280211), (68, 230762), (106, 148036), (119, 131864), (136, 115381), (212, 74018), (238, 65932), (311, 50456), (371, 42296), (424, 37009), (476, 32966), (622, 25228), (742, 21148), (901, 17416), (952, 16483), (1244, 12614), (1484, 10574), (1802, 8708), (2177, 7208), (2488, 6307), (2968, 5287), (3604, 4354)]