28988316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3109}}^1$

素因数の和:3163

約数の個数: 72

約数和(自身を含む): 86035040

約数和(自身を除く): 57046724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 3109, 4662, 6218, 9324, 9327, 12436, 18654, 21763, 27981, 37308, 43526, 55962, 65289, 87052, 111924, 115033, 130578, 195867, 230066, 261156, 345099, 391734, 460132, 690198, 783468, 805231, 1035297, 1380396, 1610462, 2070594, 2415693, 3220924, 4141188, 4831386, 7247079, 9662772, 14494158, 28988316]

約数ペア:

[(1, 28988316), (2, 14494158), (3, 9662772), (4, 7247079), (6, 4831386), (7, 4141188), (9, 3220924), (12, 2415693), (14, 2070594), (18, 1610462), (21, 1380396), (28, 1035297), (36, 805231), (37, 783468), (42, 690198), (63, 460132), (74, 391734), (84, 345099), (111, 261156), (126, 230066), (148, 195867), (222, 130578), (252, 115033), (259, 111924), (333, 87052), (444, 65289), (518, 55962), (666, 43526), (777, 37308), (1036, 27981), (1332, 21763), (1554, 18654), (2331, 12436), (3108, 9327), (3109, 9324), (4662, 6218)]