2545452

素因数分解:

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

素因数の和:77

約数の個数: 144

約数和(自身を含む): 8490720

約数和(自身を除く): 5945268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 37, 39, 42, 49, 52, 54, 63, 74, 78, 84, 91, 98, 108, 111, 117, 126, 147, 148, 156, 182, 189, 196, 222, 234, 252, 259, 273, 294, 333, 351, 364, 378, 441, 444, 468, 481, 518, 546, 588, 637, 666, 702, 756, 777, 819, 882, 962, 999, 1036, 1092, 1274, 1323, 1332, 1404, 1443, 1554, 1638, 1764, 1813, 1911, 1924, 1998, 2331, 2457, 2548, 2646, 2886, 3108, 3276, 3367, 3626, 3822, 3996, 4329, 4662, 4914, 5292, 5439, 5733, 5772, 6734, 6993, 7252, 7644, 8658, 9324, 9828, 10101, 10878, 11466, 12987, 13468, 13986, 16317, 17199, 17316, 20202, 21756, 22932, 23569, 25974, 27972, 30303, 32634, 34398, 40404, 47138, 48951, 51948, 60606, 65268, 68796, 70707, 90909, 94276, 97902, 121212, 141414, 181818, 195804, 212121, 282828, 363636, 424242, 636363, 848484, 1272726, 2545452]

約数ペア:

[(1, 2545452), (2, 1272726), (3, 848484), (4, 636363), (6, 424242), (7, 363636), (9, 282828), (12, 212121), (13, 195804), (14, 181818), (18, 141414), (21, 121212), (26, 97902), (27, 94276), (28, 90909), (36, 70707), (37, 68796), (39, 65268), (42, 60606), (49, 51948), (52, 48951), (54, 47138), (63, 40404), (74, 34398), (78, 32634), (84, 30303), (91, 27972), (98, 25974), (108, 23569), (111, 22932), (117, 21756), (126, 20202), (147, 17316), (148, 17199), (156, 16317), (182, 13986), (189, 13468), (196, 12987), (222, 11466), (234, 10878), (252, 10101), (259, 9828), (273, 9324), (294, 8658), (333, 7644), (351, 7252), (364, 6993), (378, 6734), (441, 5772), (444, 5733), (468, 5439), (481, 5292), (518, 4914), (546, 4662), (588, 4329), (637, 3996), (666, 3822), (702, 3626), (756, 3367), (777, 3276), (819, 3108), (882, 2886), (962, 2646), (999, 2548), (1036, 2457), (1092, 2331), (1274, 1998), (1323, 1924), (1332, 1911), (1404, 1813), (1443, 1764), (1554, 1638)]