31281894

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1274

約数の個数: 72

約数和(自身を含む): 81628560

約数和(自身を除く): 50346666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1218, 1223, 1421, 1827, 2446, 2842, 3654, 3669, 4263, 7338, 8526, 8561, 11007, 12789, 17122, 22014, 25578, 25683, 35467, 51366, 59927, 70934, 77049, 106401, 119854, 154098, 179781, 212802, 248269, 319203, 359562, 496538, 539343, 638406, 744807, 1078686, 1489614, 1737883, 2234421, 3475766, 4468842, 5213649, 10427298, 15640947, 31281894]

約数ペア:

[(1, 31281894), (2, 15640947), (3, 10427298), (6, 5213649), (7, 4468842), (9, 3475766), (14, 2234421), (18, 1737883), (21, 1489614), (29, 1078686), (42, 744807), (49, 638406), (58, 539343), (63, 496538), (87, 359562), (98, 319203), (126, 248269), (147, 212802), (174, 179781), (203, 154098), (261, 119854), (294, 106401), (406, 77049), (441, 70934), (522, 59927), (609, 51366), (882, 35467), (1218, 25683), (1223, 25578), (1421, 22014), (1827, 17122), (2446, 12789), (2842, 11007), (3654, 8561), (3669, 8526), (4263, 7338)]