65490775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 98993664

約数和(自身を除く): 33502889

約数列:

[1, 5, 7, 23, 25, 35, 53, 115, 161, 175, 265, 307, 371, 575, 805, 1219, 1325, 1535, 1855, 2149, 4025, 6095, 7061, 7675, 8533, 9275, 10745, 16271, 30475, 35305, 42665, 49427, 53725, 81355, 113897, 176525, 213325, 247135, 374233, 406775, 569485, 1235675, 1871165, 2619631, 2847425, 9355825, 13098155, 65490775]

約数ペア:

[(1, 65490775), (5, 13098155), (7, 9355825), (23, 2847425), (25, 2619631), (35, 1871165), (53, 1235675), (115, 569485), (161, 406775), (175, 374233), (265, 247135), (307, 213325), (371, 176525), (575, 113897), (805, 81355), (1219, 53725), (1325, 49427), (1535, 42665), (1855, 35305), (2149, 30475), (4025, 16271), (6095, 10745), (7061, 9275), (7675, 8533)]