61683025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 85708800

約数和(自身を除く): 24025775

約数列:

[1, 5, 19, 25, 31, 59, 71, 95, 155, 295, 355, 475, 589, 775, 1121, 1349, 1475, 1775, 1829, 2201, 2945, 4189, 5605, 6745, 9145, 11005, 14725, 20945, 28025, 33725, 34751, 41819, 45725, 55025, 79591, 104725, 129859, 173755, 209095, 397955, 649295, 868775, 1045475, 1989775, 2467321, 3246475, 12336605, 61683025]

約数ペア:

[(1, 61683025), (5, 12336605), (19, 3246475), (25, 2467321), (31, 1989775), (59, 1045475), (71, 868775), (95, 649295), (155, 397955), (295, 209095), (355, 173755), (475, 129859), (589, 104725), (775, 79591), (1121, 55025), (1349, 45725), (1475, 41819), (1775, 34751), (1829, 33725), (2201, 28025), (2945, 20945), (4189, 14725), (5605, 11005), (6745, 9145)]