156960965

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 229692672

約数和(自身を除く): 72731707

約数列:

[1, 5, 7, 35, 43, 47, 49, 215, 235, 245, 301, 317, 329, 1505, 1585, 1645, 2021, 2107, 2219, 2303, 10105, 10535, 11095, 11515, 13631, 14147, 14899, 15533, 68155, 70735, 74495, 77665, 95417, 99029, 104293, 477085, 495145, 521465, 640657, 667919, 730051, 3203285, 3339595, 3650255, 4484599, 22422995, 31392193, 156960965]

約数ペア:

[(1, 156960965), (5, 31392193), (7, 22422995), (35, 4484599), (43, 3650255), (47, 3339595), (49, 3203285), (215, 730051), (235, 667919), (245, 640657), (301, 521465), (317, 495145), (329, 477085), (1505, 104293), (1585, 99029), (1645, 95417), (2021, 77665), (2107, 74495), (2219, 70735), (2303, 68155), (10105, 15533), (10535, 14899), (11095, 14147), (11515, 13631)]