28683655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 46654272

約数和(自身を除く): 17970617

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 521, 605, 715, 847, 1001, 1573, 2605, 3647, 4235, 5005, 5731, 6773, 7865, 11011, 18235, 28655, 33865, 40117, 47411, 55055, 63041, 74503, 200585, 237055, 315205, 372515, 441287, 521521, 819533, 2206435, 2607605, 4097665, 5736731, 28683655]

約数ペア:

[(1, 28683655), (5, 5736731), (7, 4097665), (11, 2607605), (13, 2206435), (35, 819533), (55, 521521), (65, 441287), (77, 372515), (91, 315205), (121, 237055), (143, 200585), (385, 74503), (455, 63041), (521, 55055), (605, 47411), (715, 40117), (847, 33865), (1001, 28655), (1573, 18235), (2605, 11011), (3647, 7865), (4235, 6773), (5005, 5731)]