538097690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{10271}}^1$

素因数の和:10335

約数の個数: 48

約数和(自身を含む): 1082750976

約数和(自身を除く): 544653286

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4030, 5239, 10271, 10478, 20542, 26195, 51355, 52390, 102710, 133523, 267046, 318401, 636802, 667615, 1335230, 1592005, 1735799, 3184010, 3471598, 4139213, 8278426, 8678995, 17357990, 20696065, 41392130, 53809769, 107619538, 269048845, 538097690]

約数ペア:

[(1, 538097690), (2, 269048845), (5, 107619538), (10, 53809769), (13, 41392130), (26, 20696065), (31, 17357990), (62, 8678995), (65, 8278426), (130, 4139213), (155, 3471598), (169, 3184010), (310, 1735799), (338, 1592005), (403, 1335230), (806, 667615), (845, 636802), (1690, 318401), (2015, 267046), (4030, 133523), (5239, 102710), (10271, 52390), (10478, 51355), (20542, 26195)]