205171512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2605

約数の個数: 128

約数和(自身を含む): 648614400

約数和(自身を除く): 443442888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 168, 182, 222, 259, 273, 296, 312, 364, 444, 481, 518, 546, 728, 777, 888, 962, 1036, 1092, 1443, 1554, 1924, 2072, 2184, 2539, 2886, 3108, 3367, 3848, 5078, 5772, 6216, 6734, 7617, 10101, 10156, 11544, 13468, 15234, 17773, 20202, 20312, 26936, 30468, 33007, 35546, 40404, 53319, 60936, 66014, 71092, 80808, 93943, 99021, 106638, 132028, 142184, 187886, 198042, 213276, 231049, 264056, 281829, 375772, 396084, 426552, 462098, 563658, 657601, 693147, 751544, 792168, 924196, 1127316, 1221259, 1315202, 1386294, 1848392, 1972803, 2254632, 2442518, 2630404, 2772588, 3663777, 3945606, 4885036, 5260808, 5545176, 7327554, 7891212, 8548813, 9770072, 14655108, 15782424, 17097626, 25646439, 29310216, 34195252, 51292878, 68390504, 102585756, 205171512]

約数ペア:

[(1, 205171512), (2, 102585756), (3, 68390504), (4, 51292878), (6, 34195252), (7, 29310216), (8, 25646439), (12, 17097626), (13, 15782424), (14, 14655108), (21, 9770072), (24, 8548813), (26, 7891212), (28, 7327554), (37, 5545176), (39, 5260808), (42, 4885036), (52, 3945606), (56, 3663777), (74, 2772588), (78, 2630404), (84, 2442518), (91, 2254632), (104, 1972803), (111, 1848392), (148, 1386294), (156, 1315202), (168, 1221259), (182, 1127316), (222, 924196), (259, 792168), (273, 751544), (296, 693147), (312, 657601), (364, 563658), (444, 462098), (481, 426552), (518, 396084), (546, 375772), (728, 281829), (777, 264056), (888, 231049), (962, 213276), (1036, 198042), (1092, 187886), (1443, 142184), (1554, 132028), (1924, 106638), (2072, 99021), (2184, 93943), (2539, 80808), (2886, 71092), (3108, 66014), (3367, 60936), (3848, 53319), (5078, 40404), (5772, 35546), (6216, 33007), (6734, 30468), (7617, 26936), (10101, 20312), (10156, 20202), (11544, 17773), (13468, 15234)]