207017845

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 265015296

約数和(自身を除く): 57997451

約数列:

[1, 5, 31, 47, 155, 157, 181, 235, 785, 905, 1457, 4867, 5611, 7285, 7379, 8507, 24335, 28055, 28417, 36895, 42535, 142085, 228749, 263717, 880927, 1143745, 1318585, 1335599, 4404635, 6677995, 41403569, 207017845]

約数ペア:

[(1, 207017845), (5, 41403569), (31, 6677995), (47, 4404635), (155, 1335599), (157, 1318585), (181, 1143745), (235, 880927), (785, 263717), (905, 228749), (1457, 142085), (4867, 42535), (5611, 36895), (7285, 28417), (7379, 28055), (8507, 24335)]