2807896

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 7182000

約数和(自身を除く): 4374104

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 29, 38, 49, 52, 56, 58, 76, 91, 98, 104, 116, 133, 152, 182, 196, 203, 232, 247, 266, 364, 377, 392, 406, 494, 532, 551, 637, 728, 754, 812, 931, 988, 1064, 1102, 1274, 1421, 1508, 1624, 1729, 1862, 1976, 2204, 2548, 2639, 2842, 3016, 3458, 3724, 3857, 4408, 5096, 5278, 5684, 6916, 7163, 7448, 7714, 10556, 11368, 12103, 13832, 14326, 15428, 18473, 21112, 24206, 26999, 28652, 30856, 36946, 48412, 50141, 53998, 57304, 73892, 96824, 100282, 107996, 147784, 200564, 215992, 350987, 401128, 701974, 1403948, 2807896]

約数ペア:

[(1, 2807896), (2, 1403948), (4, 701974), (7, 401128), (8, 350987), (13, 215992), (14, 200564), (19, 147784), (26, 107996), (28, 100282), (29, 96824), (38, 73892), (49, 57304), (52, 53998), (56, 50141), (58, 48412), (76, 36946), (91, 30856), (98, 28652), (104, 26999), (116, 24206), (133, 21112), (152, 18473), (182, 15428), (196, 14326), (203, 13832), (232, 12103), (247, 11368), (266, 10556), (364, 7714), (377, 7448), (392, 7163), (406, 6916), (494, 5684), (532, 5278), (551, 5096), (637, 4408), (728, 3857), (754, 3724), (812, 3458), (931, 3016), (988, 2842), (1064, 2639), (1102, 2548), (1274, 2204), (1421, 1976), (1508, 1862), (1624, 1729)]