209260897430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51925781}}^1$

素因数の和:51925832

約数の個数: 32

約数和(自身を含む): 418729506048

約数和(自身を除く): 209468608618

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51925781, 103851562, 259628905, 519257810, 675035153, 1350070306, 1609699211, 3219398422, 3375175765, 6750351530, 8048496055, 16096992110, 20926089743, 41852179486, 104630448715, 209260897430]

約数ペア:

[(1, 209260897430), (2, 104630448715), (5, 41852179486), (10, 20926089743), (13, 16096992110), (26, 8048496055), (31, 6750351530), (62, 3375175765), (65, 3219398422), (130, 1609699211), (155, 1350070306), (310, 675035153), (403, 519257810), (806, 259628905), (2015, 103851562), (4030, 51925781)]