196817257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1699}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 258944000

約数和(自身を除く): 62126743

約数列:

[1, 7, 13, 19, 67, 91, 133, 247, 469, 871, 1273, 1699, 1729, 6097, 8911, 11893, 16549, 22087, 32281, 113833, 115843, 154609, 225967, 419653, 796831, 1479829, 2162827, 2937571, 10358803, 15139789, 28116751, 196817257]

約数ペア:

[(1, 196817257), (7, 28116751), (13, 15139789), (19, 10358803), (67, 2937571), (91, 2162827), (133, 1479829), (247, 796831), (469, 419653), (871, 225967), (1273, 154609), (1699, 115843), (1729, 113833), (6097, 32281), (8911, 22087), (11893, 16549)]