73154575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 103493376

約数和(自身を除く): 30338801

約数列:

[1, 5, 13, 25, 31, 53, 65, 137, 155, 265, 325, 403, 685, 689, 775, 1325, 1643, 1781, 2015, 3425, 3445, 4247, 7261, 8215, 8905, 10075, 17225, 21235, 21359, 36305, 41075, 44525, 55211, 94393, 106175, 106795, 181525, 225091, 276055, 471965, 533975, 1125455, 1380275, 2359825, 2926183, 5627275, 14630915, 73154575]

約数ペア:

[(1, 73154575), (5, 14630915), (13, 5627275), (25, 2926183), (31, 2359825), (53, 1380275), (65, 1125455), (137, 533975), (155, 471965), (265, 276055), (325, 225091), (403, 181525), (685, 106795), (689, 106175), (775, 94393), (1325, 55211), (1643, 44525), (1781, 41075), (2015, 36305), (3425, 21359), (3445, 21235), (4247, 17225), (7261, 10075), (8215, 8905)]