72991996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12473}}^1$

素因数の和:12514

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 94658564

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 12473, 24946, 49892, 87311, 137203, 174622, 236987, 274406, 349244, 473974, 548812, 947948, 960421, 1658909, 1920842, 2606857, 3317818, 3841684, 5213714, 6635636, 10427428, 18247999, 36495998, 72991996]

約数ペア:

[(1, 72991996), (2, 36495998), (4, 18247999), (7, 10427428), (11, 6635636), (14, 5213714), (19, 3841684), (22, 3317818), (28, 2606857), (38, 1920842), (44, 1658909), (76, 960421), (77, 947948), (133, 548812), (154, 473974), (209, 349244), (266, 274406), (308, 236987), (418, 174622), (532, 137203), (836, 87311), (1463, 49892), (2926, 24946), (5852, 12473)]