389281698

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1753}}^1$

素因数の和:1860

約数の個数: 72

約数和(自身を含む): 926354052

約数和(自身を除く): 537072354

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 169, 219, 234, 338, 438, 507, 657, 949, 1014, 1314, 1521, 1753, 1898, 2847, 3042, 3506, 5259, 5694, 8541, 10518, 12337, 15777, 17082, 22789, 24674, 31554, 37011, 45578, 68367, 74022, 111033, 127969, 136734, 205101, 222066, 255938, 296257, 383907, 410202, 592514, 767814, 888771, 1151721, 1663597, 1777542, 2303442, 2666313, 3327194, 4990791, 5332626, 9981582, 14972373, 21626761, 29944746, 43253522, 64880283, 129760566, 194640849, 389281698]

約数ペア:

[(1, 389281698), (2, 194640849), (3, 129760566), (6, 64880283), (9, 43253522), (13, 29944746), (18, 21626761), (26, 14972373), (39, 9981582), (73, 5332626), (78, 4990791), (117, 3327194), (146, 2666313), (169, 2303442), (219, 1777542), (234, 1663597), (338, 1151721), (438, 888771), (507, 767814), (657, 592514), (949, 410202), (1014, 383907), (1314, 296257), (1521, 255938), (1753, 222066), (1898, 205101), (2847, 136734), (3042, 127969), (3506, 111033), (5259, 74022), (5694, 68367), (8541, 45578), (10518, 37011), (12337, 31554), (15777, 24674), (17082, 22789)]