281395534

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{20959}}^1$

素因数の和:21112

約数の個数: 24

約数和(自身を含む): 494614080

約数和(自身を除く): 213218546

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1918, 6713, 13426, 20959, 41918, 146713, 293426, 1026991, 2053982, 2871383, 5742766, 20099681, 40199362, 140697767, 281395534]

約数ペア:

[(1, 281395534), (2, 140697767), (7, 40199362), (14, 20099681), (49, 5742766), (98, 2871383), (137, 2053982), (274, 1026991), (959, 293426), (1918, 146713), (6713, 41918), (13426, 20959)]