28513108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 55777680

約数和(自身を除く): 27264572

約数列:

[1, 2, 4, 13, 26, 52, 61, 89, 101, 122, 178, 202, 244, 356, 404, 793, 1157, 1313, 1586, 2314, 2626, 3172, 4628, 5252, 5429, 6161, 8989, 10858, 12322, 17978, 21716, 24644, 35956, 70577, 80093, 116857, 141154, 160186, 233714, 282308, 320372, 467428, 548329, 1096658, 2193316, 7128277, 14256554, 28513108]

約数ペア:

[(1, 28513108), (2, 14256554), (4, 7128277), (13, 2193316), (26, 1096658), (52, 548329), (61, 467428), (89, 320372), (101, 282308), (122, 233714), (178, 160186), (202, 141154), (244, 116857), (356, 80093), (404, 70577), (793, 35956), (1157, 24644), (1313, 21716), (1586, 17978), (2314, 12322), (2626, 10858), (3172, 8989), (4628, 6161), (5252, 5429)]