717755740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{21737}}^1$

素因数の和:21886

約数の個数: 48

約数和(自身を含む): 1636088832

約数和(自身を除く): 918333092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 21737, 33020, 43474, 86948, 108685, 217370, 282581, 434740, 565162, 1130324, 1412905, 2760599, 2825810, 5521198, 5651620, 11042396, 13802995, 27605990, 35887787, 55211980, 71775574, 143551148, 179438935, 358877870, 717755740]

約数ペア:

[(1, 717755740), (2, 358877870), (4, 179438935), (5, 143551148), (10, 71775574), (13, 55211980), (20, 35887787), (26, 27605990), (52, 13802995), (65, 11042396), (127, 5651620), (130, 5521198), (254, 2825810), (260, 2760599), (508, 1412905), (635, 1130324), (1270, 565162), (1651, 434740), (2540, 282581), (3302, 217370), (6604, 108685), (8255, 86948), (16510, 43474), (21737, 33020)]