78895145

素因数分解:

$5^1\times 7^3\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 111456000

約数和(自身を除く): 32560855

約数列:

[1, 5, 7, 35, 49, 179, 245, 257, 343, 895, 1253, 1285, 1715, 1799, 6265, 8771, 8995, 12593, 43855, 46003, 61397, 62965, 88151, 230015, 306985, 322021, 440755, 1610105, 2254147, 11270735, 15779029, 78895145]

約数ペア:

[(1, 78895145), (5, 15779029), (7, 11270735), (35, 2254147), (49, 1610105), (179, 440755), (245, 322021), (257, 306985), (343, 230015), (895, 88151), (1253, 62965), (1285, 61397), (1715, 46003), (1799, 43855), (6265, 12593), (8771, 8995)]