201640915

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{773}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 287556480

約数和(自身を除く): 85915565

約数列:

[1, 5, 7, 29, 35, 145, 203, 257, 773, 1015, 1285, 1799, 3865, 5411, 7453, 8995, 22417, 27055, 37265, 52171, 112085, 156919, 198661, 260855, 784595, 993305, 1390627, 5761169, 6953135, 28805845, 40328183, 201640915]

約数ペア:

[(1, 201640915), (5, 40328183), (7, 28805845), (29, 6953135), (35, 5761169), (145, 1390627), (203, 993305), (257, 784595), (773, 260855), (1015, 198661), (1285, 156919), (1799, 112085), (3865, 52171), (5411, 37265), (7453, 27055), (8995, 22417)]