207924470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{17971}}^1$

素因数の和:18080

約数の個数: 32

約数和(自身を含む): 407604960

約数和(自身を除く): 199680490

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 17971, 35942, 89855, 179710, 233623, 467246, 1168115, 1599419, 2336230, 3198838, 7997095, 15994190, 20792447, 41584894, 103962235, 207924470]

約数ペア:

[(1, 207924470), (2, 103962235), (5, 41584894), (10, 20792447), (13, 15994190), (26, 7997095), (65, 3198838), (89, 2336230), (130, 1599419), (178, 1168115), (445, 467246), (890, 233623), (1157, 179710), (2314, 89855), (5785, 35942), (11570, 17971)]