28172893

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 35852544

約数和(自身を除く): 7679651

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 833, 1091, 1519, 3689, 7637, 18547, 25823, 33821, 53459, 129829, 236747, 574957, 908803, 1657229, 4024699, 28172893]

約数ペア:

[(1, 28172893), (7, 4024699), (17, 1657229), (31, 908803), (49, 574957), (119, 236747), (217, 129829), (527, 53459), (833, 33821), (1091, 25823), (1519, 18547), (3689, 7637)]