249542808

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 688128000

約数和(自身を除く): 438585192

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 127, 139, 152, 186, 228, 248, 254, 278, 372, 381, 417, 456, 508, 556, 589, 744, 762, 834, 1016, 1112, 1178, 1524, 1668, 1767, 2356, 2413, 2641, 3048, 3336, 3534, 3937, 4309, 4712, 4826, 5282, 7068, 7239, 7874, 7923, 8618, 9652, 10564, 11811, 12927, 14136, 14478, 15748, 15846, 17236, 17653, 19304, 21128, 23622, 25854, 28956, 31496, 31692, 34472, 35306, 47244, 51708, 52959, 57912, 63384, 70612, 74803, 81871, 94488, 103416, 105918, 141224, 149606, 163742, 211836, 224409, 245613, 299212, 327484, 335407, 423672, 448818, 491226, 547243, 598424, 654968, 670814, 897636, 982452, 1006221, 1094486, 1341628, 1641729, 1795272, 1964904, 2012442, 2188972, 2683256, 3283458, 4024884, 4377944, 6566916, 8049768, 10397617, 13133832, 20795234, 31192851, 41590468, 62385702, 83180936, 124771404, 249542808]

約数ペア:

[(1, 249542808), (2, 124771404), (3, 83180936), (4, 62385702), (6, 41590468), (8, 31192851), (12, 20795234), (19, 13133832), (24, 10397617), (31, 8049768), (38, 6566916), (57, 4377944), (62, 4024884), (76, 3283458), (93, 2683256), (114, 2188972), (124, 2012442), (127, 1964904), (139, 1795272), (152, 1641729), (186, 1341628), (228, 1094486), (248, 1006221), (254, 982452), (278, 897636), (372, 670814), (381, 654968), (417, 598424), (456, 547243), (508, 491226), (556, 448818), (589, 423672), (744, 335407), (762, 327484), (834, 299212), (1016, 245613), (1112, 224409), (1178, 211836), (1524, 163742), (1668, 149606), (1767, 141224), (2356, 105918), (2413, 103416), (2641, 94488), (3048, 81871), (3336, 74803), (3534, 70612), (3937, 63384), (4309, 57912), (4712, 52959), (4826, 51708), (5282, 47244), (7068, 35306), (7239, 34472), (7874, 31692), (7923, 31496), (8618, 28956), (9652, 25854), (10564, 23622), (11811, 21128), (12927, 19304), (14136, 17653), (14478, 17236), (15748, 15846)]