388828748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 870707712

約数和(自身を除く): 481878964

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 751, 902, 1148, 1502, 1681, 1804, 3004, 3157, 3362, 5257, 6314, 6724, 8261, 10514, 11767, 12628, 16522, 18491, 21028, 23534, 30791, 33044, 36982, 47068, 57827, 61582, 73964, 115654, 123164, 129437, 215537, 231308, 258874, 338701, 431074, 517748, 677402, 862148, 1262431, 1354804, 2370907, 2524862, 4741814, 5049724, 8837017, 9483628, 13886741, 17674034, 27773482, 35348068, 55546964, 97207187, 194414374, 388828748]

約数ペア:

[(1, 388828748), (2, 194414374), (4, 97207187), (7, 55546964), (11, 35348068), (14, 27773482), (22, 17674034), (28, 13886741), (41, 9483628), (44, 8837017), (77, 5049724), (82, 4741814), (154, 2524862), (164, 2370907), (287, 1354804), (308, 1262431), (451, 862148), (574, 677402), (751, 517748), (902, 431074), (1148, 338701), (1502, 258874), (1681, 231308), (1804, 215537), (3004, 129437), (3157, 123164), (3362, 115654), (5257, 73964), (6314, 61582), (6724, 57827), (8261, 47068), (10514, 36982), (11767, 33044), (12628, 30791), (16522, 23534), (18491, 21028)]