890390748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{121439}}^1$

素因数の和:121506

約数の個数: 48

約数和(自身を含む): 2285015040

約数和(自身を除く): 1394624292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 3666, 7332, 121439, 242878, 364317, 485756, 728634, 1457268, 1578707, 3157414, 4736121, 5707633, 6314828, 9472242, 11415266, 17122899, 18944484, 22830532, 34245798, 68491596, 74199229, 148398458, 222597687, 296796916, 445195374, 890390748]

約数ペア:

[(1, 890390748), (2, 445195374), (3, 296796916), (4, 222597687), (6, 148398458), (12, 74199229), (13, 68491596), (26, 34245798), (39, 22830532), (47, 18944484), (52, 17122899), (78, 11415266), (94, 9472242), (141, 6314828), (156, 5707633), (188, 4736121), (282, 3157414), (564, 1578707), (611, 1457268), (1222, 728634), (1833, 485756), (2444, 364317), (3666, 242878), (7332, 121439)]