72642904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1823}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 72146216

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 293, 586, 1172, 1823, 2344, 3646, 4981, 7292, 9962, 14584, 19924, 30991, 39848, 61982, 123964, 247928, 534139, 1068278, 2136556, 4273112, 9080363, 18160726, 36321452, 72642904]

約数ペア:

[(1, 72642904), (2, 36321452), (4, 18160726), (8, 9080363), (17, 4273112), (34, 2136556), (68, 1068278), (136, 534139), (293, 247928), (586, 123964), (1172, 61982), (1823, 39848), (2344, 30991), (3646, 19924), (4981, 14584), (7292, 9962)]