259733593

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 315392000

約数和(自身を除く): 55658407

約数列:

[1, 7, 31, 79, 109, 139, 217, 553, 763, 973, 2449, 3379, 4309, 8611, 10981, 15151, 17143, 23653, 30163, 60277, 76867, 106057, 266941, 340411, 469681, 1196929, 1868587, 2382877, 3287767, 8378503, 37104799, 259733593]

約数ペア:

[(1, 259733593), (7, 37104799), (31, 8378503), (79, 3287767), (109, 2382877), (139, 1868587), (217, 1196929), (553, 469681), (763, 340411), (973, 266941), (2449, 106057), (3379, 76867), (4309, 60277), (8611, 30163), (10981, 23653), (15151, 17143)]