397732972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25411}}^1$

素因数の和:25478

約数の個数: 48

約数和(自身を含む): 876612352

約数和(自身を除く): 478879380

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1204, 2236, 3913, 7826, 15652, 25411, 50822, 101644, 177877, 330343, 355754, 660686, 711508, 1092673, 1321372, 2185346, 2312401, 4370692, 4624802, 7648711, 9249604, 14204749, 15297422, 28409498, 30594844, 56818996, 99433243, 198866486, 397732972]

約数ペア:

[(1, 397732972), (2, 198866486), (4, 99433243), (7, 56818996), (13, 30594844), (14, 28409498), (26, 15297422), (28, 14204749), (43, 9249604), (52, 7648711), (86, 4624802), (91, 4370692), (172, 2312401), (182, 2185346), (301, 1321372), (364, 1092673), (559, 711508), (602, 660686), (1118, 355754), (1204, 330343), (2236, 177877), (3913, 101644), (7826, 50822), (15652, 25411)]