251019548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 487499040

約数和(自身を除く): 236479492

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 281, 419, 533, 562, 838, 1066, 1124, 1676, 2132, 3653, 5447, 7306, 10894, 11521, 14612, 17179, 21788, 23042, 34358, 46084, 68716, 117739, 149773, 223327, 235478, 299546, 446654, 470956, 599092, 893308, 1530607, 3061214, 4827299, 6122428, 9654598, 19309196, 62754887, 125509774, 251019548]

約数ペア:

[(1, 251019548), (2, 125509774), (4, 62754887), (13, 19309196), (26, 9654598), (41, 6122428), (52, 4827299), (82, 3061214), (164, 1530607), (281, 893308), (419, 599092), (533, 470956), (562, 446654), (838, 299546), (1066, 235478), (1124, 223327), (1676, 149773), (2132, 117739), (3653, 68716), (5447, 46084), (7306, 34358), (10894, 23042), (11521, 21788), (14612, 17179)]