289420924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 564480000

約数和(自身を除く): 275059076

約数列:

[1, 2, 4, 13, 26, 47, 52, 79, 94, 158, 188, 316, 611, 1027, 1222, 1499, 2054, 2444, 2998, 3713, 4108, 5996, 7426, 14852, 19487, 38974, 48269, 70453, 77948, 96538, 118421, 140906, 193076, 236842, 281812, 473684, 915889, 1539473, 1831778, 3078946, 3663556, 5565787, 6157892, 11131574, 22263148, 72355231, 144710462, 289420924]

約数ペア:

[(1, 289420924), (2, 144710462), (4, 72355231), (13, 22263148), (26, 11131574), (47, 6157892), (52, 5565787), (79, 3663556), (94, 3078946), (158, 1831778), (188, 1539473), (316, 915889), (611, 473684), (1027, 281812), (1222, 236842), (1499, 193076), (2054, 140906), (2444, 118421), (2998, 96538), (3713, 77948), (4108, 70453), (5996, 48269), (7426, 38974), (14852, 19487)]