257091432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1471

約数の個数: 128

約数和(自身を含む): 752640000

約数和(自身を除く): 495548568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 186, 228, 247, 248, 312, 372, 403, 456, 494, 589, 741, 744, 806, 988, 1178, 1209, 1399, 1482, 1612, 1767, 1976, 2356, 2418, 2798, 2964, 3224, 3534, 4197, 4712, 4836, 5596, 5928, 7068, 7657, 8394, 9672, 11192, 14136, 15314, 16788, 18187, 22971, 26581, 30628, 33576, 36374, 43369, 45942, 53162, 54561, 61256, 72748, 79743, 86738, 91884, 106324, 109122, 130107, 145496, 159486, 173476, 183768, 212648, 218244, 260214, 318972, 345553, 346952, 436488, 520428, 563797, 637944, 691106, 824011, 1036659, 1040856, 1127594, 1382212, 1648022, 1691391, 2073318, 2255188, 2472033, 2764424, 3296044, 3382782, 4146636, 4510376, 4944066, 6592088, 6765564, 8293272, 9888132, 10712143, 13531128, 19776264, 21424286, 32136429, 42848572, 64272858, 85697144, 128545716, 257091432]

約数ペア:

[(1, 257091432), (2, 128545716), (3, 85697144), (4, 64272858), (6, 42848572), (8, 32136429), (12, 21424286), (13, 19776264), (19, 13531128), (24, 10712143), (26, 9888132), (31, 8293272), (38, 6765564), (39, 6592088), (52, 4944066), (57, 4510376), (62, 4146636), (76, 3382782), (78, 3296044), (93, 2764424), (104, 2472033), (114, 2255188), (124, 2073318), (152, 1691391), (156, 1648022), (186, 1382212), (228, 1127594), (247, 1040856), (248, 1036659), (312, 824011), (372, 691106), (403, 637944), (456, 563797), (494, 520428), (589, 436488), (741, 346952), (744, 345553), (806, 318972), (988, 260214), (1178, 218244), (1209, 212648), (1399, 183768), (1482, 173476), (1612, 159486), (1767, 145496), (1976, 130107), (2356, 109122), (2418, 106324), (2798, 91884), (2964, 86738), (3224, 79743), (3534, 72748), (4197, 61256), (4712, 54561), (4836, 53162), (5596, 45942), (5928, 43369), (7068, 36374), (7657, 33576), (8394, 30628), (9672, 26581), (11192, 22971), (14136, 18187), (15314, 16788)]