207819625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 301916160

約数和(自身を除く): 94096535

約数列:

[1, 5, 13, 19, 25, 53, 65, 95, 125, 127, 247, 265, 325, 475, 635, 689, 1007, 1235, 1325, 1625, 1651, 2375, 2413, 3175, 3445, 5035, 6175, 6625, 6731, 8255, 12065, 13091, 15875, 17225, 25175, 30875, 31369, 33655, 41275, 60325, 65455, 86125, 87503, 125875, 127889, 156845, 168275, 206375, 301625, 327275, 437515, 639445, 784225, 841375, 1636375, 1662557, 2187575, 3197225, 3921125, 8312785, 10937875, 15986125, 41563925, 207819625]

約数ペア:

[(1, 207819625), (5, 41563925), (13, 15986125), (19, 10937875), (25, 8312785), (53, 3921125), (65, 3197225), (95, 2187575), (125, 1662557), (127, 1636375), (247, 841375), (265, 784225), (325, 639445), (475, 437515), (635, 327275), (689, 301625), (1007, 206375), (1235, 168275), (1325, 156845), (1625, 127889), (1651, 125875), (2375, 87503), (2413, 86125), (3175, 65455), (3445, 60325), (5035, 41275), (6175, 33655), (6625, 31369), (6731, 30875), (8255, 25175), (12065, 17225), (13091, 15875)]