890257578

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1044

約数の個数: 96

約数和(自身を含む): 2193998400

約数和(自身を除く): 1303740822

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 197, 266, 294, 394, 399, 591, 798, 809, 931, 1182, 1379, 1618, 1862, 2427, 2758, 2793, 3743, 4137, 4854, 5586, 5663, 7486, 8274, 9653, 11229, 11326, 15371, 16989, 19306, 22458, 26201, 28959, 30742, 33978, 39641, 46113, 52402, 57918, 78603, 79282, 92226, 107597, 118923, 157206, 159373, 183407, 215194, 237846, 318746, 322791, 366814, 478119, 550221, 645582, 753179, 956238, 1100442, 1115611, 1506358, 2231222, 2259537, 3028087, 3346833, 4519074, 6056174, 6693666, 7809277, 9084261, 15618554, 18168522, 21196609, 23427831, 42393218, 46855662, 63589827, 127179654, 148376263, 296752526, 445128789, 890257578]

約数ペア:

[(1, 890257578), (2, 445128789), (3, 296752526), (6, 148376263), (7, 127179654), (14, 63589827), (19, 46855662), (21, 42393218), (38, 23427831), (42, 21196609), (49, 18168522), (57, 15618554), (98, 9084261), (114, 7809277), (133, 6693666), (147, 6056174), (197, 4519074), (266, 3346833), (294, 3028087), (394, 2259537), (399, 2231222), (591, 1506358), (798, 1115611), (809, 1100442), (931, 956238), (1182, 753179), (1379, 645582), (1618, 550221), (1862, 478119), (2427, 366814), (2758, 322791), (2793, 318746), (3743, 237846), (4137, 215194), (4854, 183407), (5586, 159373), (5663, 157206), (7486, 118923), (8274, 107597), (9653, 92226), (11229, 79282), (11326, 78603), (15371, 57918), (16989, 52402), (19306, 46113), (22458, 39641), (26201, 33978), (28959, 30742)]