804528305

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 1187861760

約数和(自身を除く): 383333455

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 401, 431, 665, 931, 2005, 2155, 2807, 3017, 4655, 7619, 8189, 14035, 15085, 19649, 21119, 38095, 40945, 53333, 57323, 98245, 105595, 172831, 266665, 286615, 373331, 401261, 864155, 1209817, 1866655, 2006305, 3283789, 6049085, 8468719, 16418945, 22986523, 42343595, 114932615, 160905661, 804528305]

約数ペア:

[(1, 804528305), (5, 160905661), (7, 114932615), (19, 42343595), (35, 22986523), (49, 16418945), (95, 8468719), (133, 6049085), (245, 3283789), (401, 2006305), (431, 1866655), (665, 1209817), (931, 864155), (2005, 401261), (2155, 373331), (2807, 286615), (3017, 266665), (4655, 172831), (7619, 105595), (8189, 98245), (14035, 57323), (15085, 53333), (19649, 40945), (21119, 38095)]