28254772

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{853}}^1$

素因数の和:897

約数の個数: 54

約数和(自身を含む): 62356518

約数和(自身を除く): 34101746

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 676, 853, 1183, 1274, 1706, 2366, 2548, 3412, 4732, 5971, 8281, 11089, 11942, 16562, 22178, 23884, 33124, 41797, 44356, 77623, 83594, 144157, 155246, 167188, 288314, 310492, 543361, 576628, 1009099, 1086722, 2018198, 2173444, 4036396, 7063693, 14127386, 28254772]

約数ペア:

[(1, 28254772), (2, 14127386), (4, 7063693), (7, 4036396), (13, 2173444), (14, 2018198), (26, 1086722), (28, 1009099), (49, 576628), (52, 543361), (91, 310492), (98, 288314), (169, 167188), (182, 155246), (196, 144157), (338, 83594), (364, 77623), (637, 44356), (676, 41797), (853, 33124), (1183, 23884), (1274, 22178), (1706, 16562), (2366, 11942), (2548, 11089), (3412, 8281), (4732, 5971)]