397489478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 640864224

約数和(自身を除く): 243374746

約数列:

[1, 2, 17, 34, 113, 226, 307, 337, 614, 674, 1921, 3842, 5219, 5729, 10438, 11458, 34691, 38081, 69382, 76162, 103459, 206918, 589747, 647377, 1179494, 1294754, 1758803, 3517606, 11690867, 23381734, 198744739, 397489478]

約数ペア:

[(1, 397489478), (2, 198744739), (17, 23381734), (34, 11690867), (113, 3517606), (226, 1758803), (307, 1294754), (337, 1179494), (614, 647377), (674, 589747), (1921, 206918), (3842, 103459), (5219, 76162), (5729, 69382), (10438, 38081), (11458, 34691)]