638035075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{34913}}^1$

素因数の和:34983

約数の個数: 24

約数和(自身を含む): 857208528

約数和(自身を除く): 219173453

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 18275, 34913, 174565, 593521, 872825, 1501259, 2967605, 7506295, 14838025, 25521403, 37531475, 127607015, 638035075]

約数ペア:

[(1, 638035075), (5, 127607015), (17, 37531475), (25, 25521403), (43, 14838025), (85, 7506295), (215, 2967605), (425, 1501259), (731, 872825), (1075, 593521), (3655, 174565), (18275, 34913)]