28381288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 33308312

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 53, 76, 104, 106, 152, 212, 247, 271, 424, 494, 542, 689, 988, 1007, 1084, 1378, 1976, 2014, 2168, 2756, 3523, 4028, 5149, 5512, 7046, 8056, 10298, 13091, 14092, 14363, 20596, 26182, 28184, 28726, 41192, 52364, 57452, 66937, 104728, 114904, 133874, 186719, 267748, 272897, 373438, 535496, 545794, 746876, 1091588, 1493752, 2183176, 3547661, 7095322, 14190644, 28381288]

約数ペア:

[(1, 28381288), (2, 14190644), (4, 7095322), (8, 3547661), (13, 2183176), (19, 1493752), (26, 1091588), (38, 746876), (52, 545794), (53, 535496), (76, 373438), (104, 272897), (106, 267748), (152, 186719), (212, 133874), (247, 114904), (271, 104728), (424, 66937), (494, 57452), (542, 52364), (689, 41192), (988, 28726), (1007, 28184), (1084, 26182), (1378, 20596), (1976, 14363), (2014, 14092), (2168, 13091), (2756, 10298), (3523, 8056), (4028, 7046), (5149, 5512)]