28721000798

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{115117}}^1$

素因数の和:115448

約数の個数: 32

約数和(自身を含む): 50128823808

約数和(自身を除く): 21407823010

約数列:

[1, 2, 7, 14, 71, 142, 251, 497, 502, 994, 1757, 3514, 17821, 35642, 115117, 124747, 230234, 249494, 805819, 1611638, 8173307, 16346614, 28894367, 57213149, 57788734, 114426298, 202260569, 404521138, 2051500057, 4103000114, 14360500399, 28721000798]

約数ペア:

[(1, 28721000798), (2, 14360500399), (7, 4103000114), (14, 2051500057), (71, 404521138), (142, 202260569), (251, 114426298), (497, 57788734), (502, 57213149), (994, 28894367), (1757, 16346614), (3514, 8173307), (17821, 1611638), (35642, 805819), (115117, 249494), (124747, 230234)]