209225852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 409661280

約数和(自身を除く): 200435428

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 137, 244, 274, 548, 569, 671, 1138, 1342, 1507, 2276, 2684, 3014, 6028, 6259, 8357, 12518, 16714, 25036, 33428, 34709, 69418, 77953, 91927, 138836, 155906, 183854, 311812, 367708, 381799, 763598, 857483, 1527196, 1714966, 3429932, 4755133, 9510266, 19020532, 52306463, 104612926, 209225852]

約数ペア:

[(1, 209225852), (2, 104612926), (4, 52306463), (11, 19020532), (22, 9510266), (44, 4755133), (61, 3429932), (122, 1714966), (137, 1527196), (244, 857483), (274, 763598), (548, 381799), (569, 367708), (671, 311812), (1138, 183854), (1342, 155906), (1507, 138836), (2276, 91927), (2684, 77953), (3014, 69418), (6028, 34709), (6259, 33428), (8357, 25036), (12518, 16714)]