256940424

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3426

約数の個数: 112

約数和(自身を含む): 778106700

約数和(自身を除く): 521166276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 729, 936, 972, 1053, 1404, 1458, 1944, 2106, 2808, 2916, 3159, 3389, 4212, 5832, 6318, 6778, 8424, 9477, 10167, 12636, 13556, 18954, 20334, 25272, 27112, 30501, 37908, 40668, 44057, 61002, 75816, 81336, 88114, 91503, 122004, 132171, 176228, 183006, 244008, 264342, 274509, 352456, 366012, 396513, 528684, 549018, 732024, 793026, 823527, 1057368, 1098036, 1189539, 1586052, 1647054, 2196072, 2379078, 2470581, 3172104, 3294108, 3568617, 4758156, 4941162, 6588216, 7137234, 9516312, 9882324, 10705851, 14274468, 19764648, 21411702, 28548936, 32117553, 42823404, 64235106, 85646808, 128470212, 256940424]

約数ペア:

[(1, 256940424), (2, 128470212), (3, 85646808), (4, 64235106), (6, 42823404), (8, 32117553), (9, 28548936), (12, 21411702), (13, 19764648), (18, 14274468), (24, 10705851), (26, 9882324), (27, 9516312), (36, 7137234), (39, 6588216), (52, 4941162), (54, 4758156), (72, 3568617), (78, 3294108), (81, 3172104), (104, 2470581), (108, 2379078), (117, 2196072), (156, 1647054), (162, 1586052), (216, 1189539), (234, 1098036), (243, 1057368), (312, 823527), (324, 793026), (351, 732024), (468, 549018), (486, 528684), (648, 396513), (702, 366012), (729, 352456), (936, 274509), (972, 264342), (1053, 244008), (1404, 183006), (1458, 176228), (1944, 132171), (2106, 122004), (2808, 91503), (2916, 88114), (3159, 81336), (3389, 75816), (4212, 61002), (5832, 44057), (6318, 40668), (6778, 37908), (8424, 30501), (9477, 27112), (10167, 25272), (12636, 20334), (13556, 18954)]