128154858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 284643072

約数和(自身を除く): 156488214

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 73, 78, 142, 146, 213, 219, 317, 426, 438, 634, 923, 949, 951, 1846, 1898, 1902, 2769, 2847, 4121, 5183, 5538, 5694, 8242, 10366, 12363, 15549, 22507, 23141, 24726, 31098, 45014, 46282, 67379, 67521, 69423, 134758, 135042, 138846, 202137, 292591, 300833, 404274, 585182, 601666, 877773, 902499, 1643011, 1755546, 1804998, 3286022, 4929033, 9858066, 21359143, 42718286, 64077429, 128154858]

約数ペア:

[(1, 128154858), (2, 64077429), (3, 42718286), (6, 21359143), (13, 9858066), (26, 4929033), (39, 3286022), (71, 1804998), (73, 1755546), (78, 1643011), (142, 902499), (146, 877773), (213, 601666), (219, 585182), (317, 404274), (426, 300833), (438, 292591), (634, 202137), (923, 138846), (949, 135042), (951, 134758), (1846, 69423), (1898, 67521), (1902, 67379), (2769, 46282), (2847, 45014), (4121, 31098), (5183, 24726), (5538, 23141), (5694, 22507), (8242, 15549), (10366, 12363)]