31765979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 8784421

約数列:

[1, 7, 17, 31, 79, 109, 119, 217, 527, 553, 763, 1343, 1853, 2449, 3379, 3689, 8611, 9401, 12971, 17143, 23653, 41633, 57443, 60277, 146387, 266941, 291431, 402101, 1024709, 1868587, 4537997, 31765979]

約数ペア:

[(1, 31765979), (7, 4537997), (17, 1868587), (31, 1024709), (79, 402101), (109, 291431), (119, 266941), (217, 146387), (527, 60277), (553, 57443), (763, 41633), (1343, 23653), (1853, 17143), (2449, 12971), (3379, 9401), (3689, 8611)]