71908375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 115974144

約数和(自身を除く): 44065769

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 125, 155, 175, 217, 241, 275, 341, 385, 775, 875, 1085, 1205, 1375, 1687, 1705, 1925, 2387, 2651, 3875, 5425, 6025, 7471, 8435, 8525, 9625, 11935, 13255, 18557, 27125, 30125, 37355, 42175, 42625, 52297, 59675, 66275, 82181, 92785, 186775, 210875, 261485, 298375, 331375, 410905, 463925, 575267, 933875, 1307425, 2054525, 2319625, 2876335, 6537125, 10272625, 14381675, 71908375]

約数ペア:

[(1, 71908375), (5, 14381675), (7, 10272625), (11, 6537125), (25, 2876335), (31, 2319625), (35, 2054525), (55, 1307425), (77, 933875), (125, 575267), (155, 463925), (175, 410905), (217, 331375), (241, 298375), (275, 261485), (341, 210875), (385, 186775), (775, 92785), (875, 82181), (1085, 66275), (1205, 59675), (1375, 52297), (1687, 42625), (1705, 42175), (1925, 37355), (2387, 30125), (2651, 27125), (3875, 18557), (5425, 13255), (6025, 11935), (7471, 9625), (8435, 8525)]