221704428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{1427}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 574330176

約数和(自身を除く): 352625748

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 121, 132, 214, 242, 321, 363, 428, 484, 642, 726, 1177, 1284, 1427, 1452, 2354, 2854, 3531, 4281, 4708, 5708, 7062, 8562, 12947, 14124, 15697, 17124, 25894, 31394, 38841, 47091, 51788, 62788, 77682, 94182, 152689, 155364, 172667, 188364, 305378, 345334, 458067, 518001, 610756, 690668, 916134, 1036002, 1679579, 1832268, 2072004, 3359158, 5038737, 6718316, 10077474, 18475369, 20154948, 36950738, 55426107, 73901476, 110852214, 221704428]

約数ペア:

[(1, 221704428), (2, 110852214), (3, 73901476), (4, 55426107), (6, 36950738), (11, 20154948), (12, 18475369), (22, 10077474), (33, 6718316), (44, 5038737), (66, 3359158), (107, 2072004), (121, 1832268), (132, 1679579), (214, 1036002), (242, 916134), (321, 690668), (363, 610756), (428, 518001), (484, 458067), (642, 345334), (726, 305378), (1177, 188364), (1284, 172667), (1427, 155364), (1452, 152689), (2354, 94182), (2854, 77682), (3531, 62788), (4281, 51788), (4708, 47091), (5708, 38841), (7062, 31394), (8562, 25894), (12947, 17124), (14124, 15697)]