23987873

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 31428096

約数和(自身を除く): 7440223

約数列:

[1, 7, 13, 23, 73, 91, 157, 161, 299, 511, 949, 1099, 1679, 2041, 2093, 3611, 6643, 11461, 11753, 14287, 21827, 25277, 46943, 80227, 148993, 152789, 263603, 328601, 1042951, 1845221, 3426839, 23987873]

約数ペア:

[(1, 23987873), (7, 3426839), (13, 1845221), (23, 1042951), (73, 328601), (91, 263603), (157, 152789), (161, 148993), (299, 80227), (511, 46943), (949, 25277), (1099, 21827), (1679, 14287), (2041, 11753), (2093, 11461), (3611, 6643)]