138990426

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 301529088

約数和(自身を除く): 162538662

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 163, 167, 222, 326, 334, 489, 501, 851, 978, 1002, 1702, 2553, 3749, 3841, 5106, 6031, 6179, 7498, 7682, 11247, 11523, 12062, 12358, 18093, 18537, 22494, 23046, 27221, 36186, 37074, 54442, 81663, 138713, 142117, 163326, 277426, 284234, 416139, 426351, 626083, 832278, 852702, 1007177, 1252166, 1878249, 2014354, 3021531, 3756498, 6043062, 23165071, 46330142, 69495213, 138990426]

約数ペア:

[(1, 138990426), (2, 69495213), (3, 46330142), (6, 23165071), (23, 6043062), (37, 3756498), (46, 3021531), (69, 2014354), (74, 1878249), (111, 1252166), (138, 1007177), (163, 852702), (167, 832278), (222, 626083), (326, 426351), (334, 416139), (489, 284234), (501, 277426), (851, 163326), (978, 142117), (1002, 138713), (1702, 81663), (2553, 54442), (3749, 37074), (3841, 36186), (5106, 27221), (6031, 23046), (6179, 22494), (7498, 18537), (7682, 18093), (11247, 12358), (11523, 12062)]