28472045

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 41236992

約数和(自身を除く): 12764947

約数列:

[1, 5, 7, 23, 35, 113, 115, 161, 313, 565, 791, 805, 1565, 2191, 2599, 3955, 7199, 10955, 12995, 18193, 35369, 35995, 50393, 90965, 176845, 247583, 251965, 813487, 1237915, 4067435, 5694409, 28472045]

約数ペア:

[(1, 28472045), (5, 5694409), (7, 4067435), (23, 1237915), (35, 813487), (113, 251965), (115, 247583), (161, 176845), (313, 90965), (565, 50393), (791, 35995), (805, 35369), (1565, 18193), (2191, 12995), (2599, 10955), (3955, 7199)]