313618823

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 387763200

約数和(自身を除く): 74144377

約数列:

[1, 7, 23, 43, 89, 161, 301, 509, 623, 989, 2047, 3563, 3827, 6923, 11707, 14329, 21887, 26789, 45301, 81949, 88021, 153209, 317107, 503401, 616147, 1041923, 1947943, 3523807, 7293461, 13635601, 44802689, 313618823]

約数ペア:

[(1, 313618823), (7, 44802689), (23, 13635601), (43, 7293461), (89, 3523807), (161, 1947943), (301, 1041923), (509, 616147), (623, 503401), (989, 317107), (2047, 153209), (3563, 88021), (3827, 81949), (6923, 45301), (11707, 26789), (14329, 21887)]