315680905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 423014400

約数和(自身を除く): 107333495

約数列:

[1, 5, 17, 31, 47, 85, 155, 235, 527, 799, 1457, 2549, 2635, 3995, 7285, 12745, 24769, 43333, 79019, 119803, 123845, 216665, 395095, 599015, 1343323, 2036651, 3713893, 6716615, 10183255, 18569465, 63136181, 315680905]

約数ペア:

[(1, 315680905), (5, 63136181), (17, 18569465), (31, 10183255), (47, 6716615), (85, 3713893), (155, 2036651), (235, 1343323), (527, 599015), (799, 395095), (1457, 216665), (2549, 123845), (2635, 119803), (3995, 79019), (7285, 43333), (12745, 24769)]