78857215

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1163}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 96546816

約数和(自身を除く): 17689601

約数列:

[1, 5, 71, 191, 355, 955, 1163, 5815, 13561, 67805, 82573, 222133, 412865, 1110665, 15771443, 78857215]

約数ペア:

[(1, 78857215), (5, 15771443), (71, 1110665), (191, 412865), (355, 222133), (955, 82573), (1163, 67805), (5815, 13561)]