15691638475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{883}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 20334206464

約数和(自身を除く): 4642567989

約数列:

[1, 5, 25, 43, 61, 215, 271, 305, 883, 1075, 1355, 1525, 2623, 4415, 6775, 11653, 13115, 16531, 22075, 37969, 53863, 58265, 65575, 82655, 189845, 239293, 269315, 291325, 413275, 710833, 949225, 1196465, 1346575, 2316109, 3554165, 5982325, 10289599, 11580545, 14596873, 17770825, 51447995, 57902725, 72984365, 257239975, 364921825, 627665539, 3138327695, 15691638475]

約数ペア:

[(1, 15691638475), (5, 3138327695), (25, 627665539), (43, 364921825), (61, 257239975), (215, 72984365), (271, 57902725), (305, 51447995), (883, 17770825), (1075, 14596873), (1355, 11580545), (1525, 10289599), (2623, 5982325), (4415, 3554165), (6775, 2316109), (11653, 1346575), (13115, 1196465), (16531, 949225), (22075, 710833), (37969, 413275), (53863, 291325), (58265, 269315), (65575, 239293), (82655, 189845)]