245533418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 431972352

約数和(自身を除く): 186438934

約数列:

[1, 2, 13, 23, 26, 46, 53, 61, 106, 122, 127, 254, 299, 598, 689, 793, 1219, 1378, 1403, 1586, 1651, 2438, 2806, 2921, 3233, 3302, 5842, 6466, 6731, 7747, 13462, 15494, 15847, 18239, 31694, 36478, 37973, 42029, 74359, 75946, 84058, 87503, 100711, 148718, 154813, 175006, 178181, 201422, 309626, 356362, 410591, 821182, 966667, 1933334, 2012569, 2316353, 4025138, 4632706, 5337683, 9443593, 10675366, 18887186, 122766709, 245533418]

約数ペア:

[(1, 245533418), (2, 122766709), (13, 18887186), (23, 10675366), (26, 9443593), (46, 5337683), (53, 4632706), (61, 4025138), (106, 2316353), (122, 2012569), (127, 1933334), (254, 966667), (299, 821182), (598, 410591), (689, 356362), (793, 309626), (1219, 201422), (1378, 178181), (1403, 175006), (1586, 154813), (1651, 148718), (2438, 100711), (2806, 87503), (2921, 84058), (3233, 75946), (3302, 74359), (5842, 42029), (6466, 37973), (6731, 36478), (7747, 31694), (13462, 18239), (15494, 15847)]