72169975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 93913632

約数和(自身を除く): 21743657

約数列:

[1, 5, 23, 25, 115, 313, 401, 575, 1565, 2005, 7199, 7825, 9223, 10025, 35995, 46115, 125513, 179975, 230575, 627565, 2886799, 3137825, 14433995, 72169975]

約数ペア:

[(1, 72169975), (5, 14433995), (23, 3137825), (25, 2886799), (115, 627565), (313, 230575), (401, 179975), (575, 125513), (1565, 46115), (2005, 35995), (7199, 10025), (7825, 9223)]