4253990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 8449056

約数和(自身を除く): 4195066

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 761, 1118, 1522, 2795, 3805, 5590, 7610, 9893, 19786, 32723, 49465, 65446, 98930, 163615, 327230, 425399, 850798, 2126995, 4253990]

約数ペア:

[(1, 4253990), (2, 2126995), (5, 850798), (10, 425399), (13, 327230), (26, 163615), (43, 98930), (65, 65446), (86, 49465), (130, 32723), (215, 19786), (430, 9893), (559, 7610), (761, 5590), (1118, 3805), (1522, 2795)]