18374217125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2447}}^1$

素因数の和:2643

約数の個数: 64

約数和(自身を含む): 25809518592

約数和(自身を除く): 7435301467

約数列:

[1, 5, 11, 25, 43, 55, 125, 127, 215, 275, 473, 635, 1075, 1375, 1397, 2365, 2447, 3175, 5375, 5461, 6985, 11825, 12235, 15875, 26917, 27305, 34925, 59125, 60071, 61175, 105221, 134585, 136525, 174625, 300355, 305875, 310769, 526105, 672925, 682625, 1157431, 1501775, 1553845, 2630525, 3364625, 3418459, 5787155, 7508875, 7769225, 13152625, 13363067, 17092295, 28935775, 38846125, 66815335, 85461475, 144678875, 146993737, 334076675, 427307375, 734968685, 1670383375, 3674843425, 18374217125]

約数ペア:

[(1, 18374217125), (5, 3674843425), (11, 1670383375), (25, 734968685), (43, 427307375), (55, 334076675), (125, 146993737), (127, 144678875), (215, 85461475), (275, 66815335), (473, 38846125), (635, 28935775), (1075, 17092295), (1375, 13363067), (1397, 13152625), (2365, 7769225), (2447, 7508875), (3175, 5787155), (5375, 3418459), (5461, 3364625), (6985, 2630525), (11825, 1553845), (12235, 1501775), (15875, 1157431), (26917, 682625), (27305, 672925), (34925, 526105), (59125, 310769), (60071, 305875), (61175, 300355), (105221, 174625), (134585, 136525)]