1403948

素因数分解:

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

素因数の和:79

約数の個数: 72

約数和(自身を含む): 3351600

約数和(自身を除く): 1947652

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 29, 38, 49, 52, 58, 76, 91, 98, 116, 133, 182, 196, 203, 247, 266, 364, 377, 406, 494, 532, 551, 637, 754, 812, 931, 988, 1102, 1274, 1421, 1508, 1729, 1862, 2204, 2548, 2639, 2842, 3458, 3724, 3857, 5278, 5684, 6916, 7163, 7714, 10556, 12103, 14326, 15428, 18473, 24206, 26999, 28652, 36946, 48412, 50141, 53998, 73892, 100282, 107996, 200564, 350987, 701974, 1403948]

約数ペア:

[(1, 1403948), (2, 701974), (4, 350987), (7, 200564), (13, 107996), (14, 100282), (19, 73892), (26, 53998), (28, 50141), (29, 48412), (38, 36946), (49, 28652), (52, 26999), (58, 24206), (76, 18473), (91, 15428), (98, 14326), (116, 12103), (133, 10556), (182, 7714), (196, 7163), (203, 6916), (247, 5684), (266, 5278), (364, 3857), (377, 3724), (406, 3458), (494, 2842), (532, 2639), (551, 2548), (637, 2204), (754, 1862), (812, 1729), (931, 1508), (988, 1421), (1102, 1274)]