89217845

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 115153920

約数和(自身を除く): 25936075

約数列:

[1, 5, 31, 41, 101, 139, 155, 205, 505, 695, 1271, 3131, 4141, 4309, 5699, 6355, 14039, 15655, 20705, 21545, 28495, 70195, 128371, 176669, 435209, 575599, 641855, 883345, 2176045, 2877995, 17843569, 89217845]

約数ペア:

[(1, 89217845), (5, 17843569), (31, 2877995), (41, 2176045), (101, 883345), (139, 641855), (155, 575599), (205, 435209), (505, 176669), (695, 128371), (1271, 70195), (3131, 28495), (4141, 21545), (4309, 20705), (5699, 15655), (6355, 14039)]