16444428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 52948224

約数和(自身を除く): 36503796

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 37, 39, 42, 44, 52, 66, 74, 77, 78, 84, 91, 111, 132, 143, 148, 154, 156, 182, 222, 231, 259, 273, 286, 308, 364, 407, 429, 444, 462, 481, 518, 546, 572, 777, 814, 858, 924, 962, 1001, 1036, 1092, 1221, 1369, 1443, 1554, 1628, 1716, 1924, 2002, 2442, 2738, 2849, 2886, 3003, 3108, 3367, 4004, 4107, 4884, 5291, 5476, 5698, 5772, 6006, 6734, 8214, 8547, 9583, 10101, 10582, 11396, 12012, 13468, 15059, 15873, 16428, 17094, 17797, 19166, 20202, 21164, 28749, 30118, 31746, 34188, 35594, 37037, 38332, 40404, 45177, 53391, 57498, 60236, 63492, 71188, 74074, 90354, 105413, 106782, 111111, 114996, 124579, 148148, 180708, 195767, 210826, 213564, 222222, 249158, 316239, 373737, 391534, 421652, 444444, 498316, 587301, 632478, 747474, 783068, 1174602, 1264956, 1370369, 1494948, 2349204, 2740738, 4111107, 5481476, 8222214, 16444428]

約数ペア:

[(1, 16444428), (2, 8222214), (3, 5481476), (4, 4111107), (6, 2740738), (7, 2349204), (11, 1494948), (12, 1370369), (13, 1264956), (14, 1174602), (21, 783068), (22, 747474), (26, 632478), (28, 587301), (33, 498316), (37, 444444), (39, 421652), (42, 391534), (44, 373737), (52, 316239), (66, 249158), (74, 222222), (77, 213564), (78, 210826), (84, 195767), (91, 180708), (111, 148148), (132, 124579), (143, 114996), (148, 111111), (154, 106782), (156, 105413), (182, 90354), (222, 74074), (231, 71188), (259, 63492), (273, 60236), (286, 57498), (308, 53391), (364, 45177), (407, 40404), (429, 38332), (444, 37037), (462, 35594), (481, 34188), (518, 31746), (546, 30118), (572, 28749), (777, 21164), (814, 20202), (858, 19166), (924, 17797), (962, 17094), (1001, 16428), (1036, 15873), (1092, 15059), (1221, 13468), (1369, 12012), (1443, 11396), (1554, 10582), (1628, 10101), (1716, 9583), (1924, 8547), (2002, 8214), (2442, 6734), (2738, 6006), (2849, 5772), (2886, 5698), (3003, 5476), (3108, 5291), (3367, 4884), (4004, 4107)]