28290348

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 74775792

約数和(自身を除く): 46485444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 67, 74, 111, 134, 148, 201, 222, 268, 317, 333, 402, 444, 603, 634, 666, 804, 951, 1206, 1268, 1332, 1902, 2412, 2479, 2853, 3804, 4958, 5706, 7437, 9916, 11412, 11729, 14874, 21239, 22311, 23458, 29748, 35187, 42478, 44622, 46916, 63717, 70374, 84956, 89244, 105561, 127434, 140748, 191151, 211122, 254868, 382302, 422244, 764604, 785843, 1571686, 2357529, 3143372, 4715058, 7072587, 9430116, 14145174, 28290348]

約数ペア:

[(1, 28290348), (2, 14145174), (3, 9430116), (4, 7072587), (6, 4715058), (9, 3143372), (12, 2357529), (18, 1571686), (36, 785843), (37, 764604), (67, 422244), (74, 382302), (111, 254868), (134, 211122), (148, 191151), (201, 140748), (222, 127434), (268, 105561), (317, 89244), (333, 84956), (402, 70374), (444, 63717), (603, 46916), (634, 44622), (666, 42478), (804, 35187), (951, 29748), (1206, 23458), (1268, 22311), (1332, 21239), (1902, 14874), (2412, 11729), (2479, 11412), (2853, 9916), (3804, 7437), (4958, 5706)]