51910145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 74304000

約数和(自身を除く): 22393855

約数列:

[1, 5, 7, 29, 35, 145, 199, 203, 257, 995, 1015, 1285, 1393, 1799, 5771, 6965, 7453, 8995, 28855, 37265, 40397, 51143, 52171, 201985, 255715, 260855, 358001, 1483147, 1790005, 7415735, 10382029, 51910145]

約数ペア:

[(1, 51910145), (5, 10382029), (7, 7415735), (29, 1790005), (35, 1483147), (145, 358001), (199, 260855), (203, 255715), (257, 201985), (995, 52171), (1015, 51143), (1285, 40397), (1393, 37265), (1799, 28855), (5771, 8995), (6965, 7453)]