128651705

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 199793664

約数和(自身を除く): 71141959

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 91, 155, 217, 245, 403, 455, 637, 1085, 1303, 1519, 2015, 2821, 3185, 6515, 7595, 9121, 14105, 16939, 19747, 40393, 45605, 63847, 84695, 98735, 118573, 201965, 282751, 319235, 525109, 592865, 830011, 1413755, 1979257, 2625545, 3675763, 4150055, 9896285, 18378815, 25730341, 128651705]

約数ペア:

[(1, 128651705), (5, 25730341), (7, 18378815), (13, 9896285), (31, 4150055), (35, 3675763), (49, 2625545), (65, 1979257), (91, 1413755), (155, 830011), (217, 592865), (245, 525109), (403, 319235), (455, 282751), (637, 201965), (1085, 118573), (1303, 98735), (1519, 84695), (2015, 63847), (2821, 45605), (3185, 40393), (6515, 19747), (7595, 16939), (9121, 14105)]