28410228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 92287104

約数和(自身を除く): 63876876

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 37, 42, 44, 63, 66, 74, 77, 84, 99, 111, 126, 132, 148, 154, 198, 222, 231, 252, 259, 277, 308, 333, 396, 407, 444, 462, 518, 554, 666, 693, 777, 814, 831, 924, 1036, 1108, 1221, 1332, 1386, 1554, 1628, 1662, 1939, 2331, 2442, 2493, 2772, 2849, 3047, 3108, 3324, 3663, 3878, 4662, 4884, 4986, 5698, 5817, 6094, 7326, 7756, 8547, 9141, 9324, 9972, 10249, 11396, 11634, 12188, 14652, 17094, 17451, 18282, 20498, 21329, 23268, 25641, 27423, 30747, 34188, 34902, 36564, 40996, 42658, 51282, 54846, 61494, 63987, 69804, 71743, 85316, 92241, 102564, 109692, 112739, 122988, 127974, 143486, 184482, 191961, 215229, 225478, 255948, 286972, 338217, 368964, 383922, 430458, 450956, 645687, 676434, 767844, 789173, 860916, 1014651, 1291374, 1352868, 1578346, 2029302, 2367519, 2582748, 3156692, 4058604, 4735038, 7102557, 9470076, 14205114, 28410228]

約数ペア:

[(1, 28410228), (2, 14205114), (3, 9470076), (4, 7102557), (6, 4735038), (7, 4058604), (9, 3156692), (11, 2582748), (12, 2367519), (14, 2029302), (18, 1578346), (21, 1352868), (22, 1291374), (28, 1014651), (33, 860916), (36, 789173), (37, 767844), (42, 676434), (44, 645687), (63, 450956), (66, 430458), (74, 383922), (77, 368964), (84, 338217), (99, 286972), (111, 255948), (126, 225478), (132, 215229), (148, 191961), (154, 184482), (198, 143486), (222, 127974), (231, 122988), (252, 112739), (259, 109692), (277, 102564), (308, 92241), (333, 85316), (396, 71743), (407, 69804), (444, 63987), (462, 61494), (518, 54846), (554, 51282), (666, 42658), (693, 40996), (777, 36564), (814, 34902), (831, 34188), (924, 30747), (1036, 27423), (1108, 25641), (1221, 23268), (1332, 21329), (1386, 20498), (1554, 18282), (1628, 17451), (1662, 17094), (1939, 14652), (2331, 12188), (2442, 11634), (2493, 11396), (2772, 10249), (2849, 9972), (3047, 9324), (3108, 9141), (3324, 8547), (3663, 7756), (3878, 7326), (4662, 6094), (4884, 5817), (4986, 5698)]