208403988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1\times {\mathrm{1229}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 524590080

約数和(自身を除く): 316186092

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1087, 1229, 2174, 2458, 3261, 3687, 4348, 4916, 6522, 7374, 13044, 14131, 14748, 15977, 28262, 31954, 42393, 47931, 56524, 63908, 84786, 95862, 169572, 191724, 1335923, 2671846, 4007769, 5343692, 8015538, 16031076, 17366999, 34733998, 52100997, 69467996, 104201994, 208403988]

約数ペア:

[(1, 208403988), (2, 104201994), (3, 69467996), (4, 52100997), (6, 34733998), (12, 17366999), (13, 16031076), (26, 8015538), (39, 5343692), (52, 4007769), (78, 2671846), (156, 1335923), (1087, 191724), (1229, 169572), (2174, 95862), (2458, 84786), (3261, 63908), (3687, 56524), (4348, 47931), (4916, 42393), (6522, 31954), (7374, 28262), (13044, 15977), (14131, 14748)]