28916405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 43835904

約数和(自身を除く): 14919499

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2113, 2737, 10565, 13685, 14791, 35921, 48599, 73955, 179605, 242995, 251447, 340193, 826183, 1257235, 1700965, 4130915, 5783281, 28916405]

約数ペア:

[(1, 28916405), (5, 5783281), (7, 4130915), (17, 1700965), (23, 1257235), (35, 826183), (85, 340193), (115, 251447), (119, 242995), (161, 179605), (391, 73955), (595, 48599), (805, 35921), (1955, 14791), (2113, 13685), (2737, 10565)]