628407725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 899835264

約数和(自身を除く): 271427539

約数列:

[1, 5, 11, 23, 25, 55, 73, 115, 253, 275, 365, 575, 803, 1265, 1361, 1679, 1825, 4015, 6325, 6805, 8395, 14971, 18469, 20075, 31303, 34025, 41975, 74855, 92345, 99353, 156515, 344333, 374275, 461725, 496765, 782575, 1092883, 1721665, 2285119, 2483825, 5464415, 8608325, 11425595, 25136309, 27322075, 57127975, 125681545, 628407725]

約数ペア:

[(1, 628407725), (5, 125681545), (11, 57127975), (23, 27322075), (25, 25136309), (55, 11425595), (73, 8608325), (115, 5464415), (253, 2483825), (275, 2285119), (365, 1721665), (575, 1092883), (803, 782575), (1265, 496765), (1361, 461725), (1679, 374275), (1825, 344333), (4015, 156515), (6325, 99353), (6805, 92345), (8395, 74855), (14971, 41975), (18469, 34025), (20075, 31303)]