1957100525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^2$

素因数の和:207

約数の個数: 54

約数和(自身を含む): 2643951870

約数和(自身を除く): 686851345

約数列:

[1, 5, 25, 29, 31, 53, 145, 155, 265, 725, 775, 899, 961, 1325, 1537, 1643, 2809, 4495, 4805, 7685, 8215, 14045, 22475, 24025, 27869, 38425, 41075, 47647, 50933, 70225, 81461, 87079, 139345, 238235, 254665, 407305, 435395, 696725, 1191175, 1273325, 1477057, 2036525, 2176975, 2525291, 2699449, 7385285, 12626455, 13497245, 36926425, 63132275, 67486225, 78284021, 391420105, 1957100525]

約数ペア:

[(1, 1957100525), (5, 391420105), (25, 78284021), (29, 67486225), (31, 63132275), (53, 36926425), (145, 13497245), (155, 12626455), (265, 7385285), (725, 2699449), (775, 2525291), (899, 2176975), (961, 2036525), (1325, 1477057), (1537, 1273325), (1643, 1191175), (2809, 696725), (4495, 435395), (4805, 407305), (7685, 254665), (8215, 238235), (14045, 139345), (22475, 87079), (24025, 81461), (27869, 70225), (38425, 50933), (41075, 47647)]