28412328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 81861120

約数和(自身を除く): 53448792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 1048, 1291, 1572, 1834, 2582, 2751, 3144, 3668, 3873, 5164, 5502, 7336, 7746, 9037, 10328, 11004, 15492, 18074, 22008, 27111, 30984, 36148, 54222, 72296, 108444, 169121, 216888, 338242, 507363, 676484, 1014726, 1183847, 1352968, 2029452, 2367694, 3551541, 4058904, 4735388, 7103082, 9470776, 14206164, 28412328]

約数ペア:

[(1, 28412328), (2, 14206164), (3, 9470776), (4, 7103082), (6, 4735388), (7, 4058904), (8, 3551541), (12, 2367694), (14, 2029452), (21, 1352968), (24, 1183847), (28, 1014726), (42, 676484), (56, 507363), (84, 338242), (131, 216888), (168, 169121), (262, 108444), (393, 72296), (524, 54222), (786, 36148), (917, 30984), (1048, 27111), (1291, 22008), (1572, 18074), (1834, 15492), (2582, 11004), (2751, 10328), (3144, 9037), (3668, 7746), (3873, 7336), (5164, 5502)]