127986625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 188225856

約数和(自身を除く): 60239231

約数列:

[1, 5, 13, 17, 25, 41, 65, 85, 113, 125, 205, 221, 325, 425, 533, 565, 697, 1025, 1105, 1469, 1625, 1921, 2125, 2665, 2825, 3485, 4633, 5125, 5525, 7345, 9061, 9605, 13325, 14125, 17425, 23165, 24973, 27625, 36725, 45305, 48025, 60229, 66625, 78761, 87125, 115825, 124865, 183625, 226525, 240125, 301145, 393805, 579125, 624325, 1023893, 1132625, 1505725, 1969025, 3121625, 5119465, 7528625, 9845125, 25597325, 127986625]

約数ペア:

[(1, 127986625), (5, 25597325), (13, 9845125), (17, 7528625), (25, 5119465), (41, 3121625), (65, 1969025), (85, 1505725), (113, 1132625), (125, 1023893), (205, 624325), (221, 579125), (325, 393805), (425, 301145), (533, 240125), (565, 226525), (697, 183625), (1025, 124865), (1105, 115825), (1469, 87125), (1625, 78761), (1921, 66625), (2125, 60229), (2665, 48025), (2825, 45305), (3485, 36725), (4633, 27625), (5125, 24973), (5525, 23165), (7345, 17425), (9061, 14125), (9605, 13325)]