258974465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1973

約数の個数: 32

約数和(自身を含む): 345047040

約数和(自身を除く): 86072575

約数列:

[1, 5, 19, 31, 47, 95, 155, 235, 589, 893, 1457, 1871, 2945, 4465, 7285, 9355, 27683, 35549, 58001, 87937, 138415, 177745, 290005, 439685, 1102019, 1670803, 2726047, 5510095, 8354015, 13630235, 51794893, 258974465]

約数ペア:

[(1, 258974465), (5, 51794893), (19, 13630235), (31, 8354015), (47, 5510095), (95, 2726047), (155, 1670803), (235, 1102019), (589, 439685), (893, 290005), (1457, 177745), (1871, 138415), (2945, 87937), (4465, 58001), (7285, 35549), (9355, 27683)]