39976804

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 82978560

約数和(自身を除く): 43001756

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 97, 164, 194, 287, 359, 388, 574, 679, 718, 1148, 1358, 1436, 2513, 2716, 3977, 5026, 7954, 10052, 14719, 15908, 27839, 29438, 34823, 55678, 58876, 69646, 103033, 111356, 139292, 206066, 243761, 412132, 487522, 975044, 1427743, 2855486, 5710972, 9994201, 19988402, 39976804]

約数ペア:

[(1, 39976804), (2, 19988402), (4, 9994201), (7, 5710972), (14, 2855486), (28, 1427743), (41, 975044), (82, 487522), (97, 412132), (164, 243761), (194, 206066), (287, 139292), (359, 111356), (388, 103033), (574, 69646), (679, 58876), (718, 55678), (1148, 34823), (1358, 29438), (1436, 27839), (2513, 15908), (2716, 14719), (3977, 10052), (5026, 7954)]