257266802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2617}}^1$

素因数の和:2850

約数の個数: 32

約数和(自身を含む): 439824000

約数和(自身を除く): 182557198

約数列:

[1, 2, 13, 19, 26, 38, 199, 247, 398, 494, 2587, 2617, 3781, 5174, 5234, 7562, 34021, 49153, 49723, 68042, 98306, 99446, 520783, 646399, 1041566, 1292798, 6770179, 9894877, 13540358, 19789754, 128633401, 257266802]

約数ペア:

[(1, 257266802), (2, 128633401), (13, 19789754), (19, 13540358), (26, 9894877), (38, 6770179), (199, 1292798), (247, 1041566), (398, 646399), (494, 520783), (2587, 99446), (2617, 98306), (3781, 68042), (5174, 49723), (5234, 49153), (7562, 34021)]