78257315

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{1667}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 96677280

約数和(自身を除く): 18419965

約数列:

[1, 5, 41, 205, 229, 1145, 1667, 8335, 9389, 46945, 68347, 341735, 381743, 1908715, 15651463, 78257315]

約数ペア:

[(1, 78257315), (5, 15651463), (41, 1908715), (205, 381743), (229, 341735), (1145, 68347), (1667, 46945), (8335, 9389)]