199915638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{18439}}^1$

素因数の和:18596

約数の個数: 32

約数和(自身を含む): 433708800

約数和(自身を除く): 233793162

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421, 10842, 18439, 36878, 55317, 110634, 239707, 479414, 719121, 1438242, 2563021, 5126042, 7689063, 15378126, 33319273, 66638546, 99957819, 199915638]

約数ペア:

[(1, 199915638), (2, 99957819), (3, 66638546), (6, 33319273), (13, 15378126), (26, 7689063), (39, 5126042), (78, 2563021), (139, 1438242), (278, 719121), (417, 479414), (834, 239707), (1807, 110634), (3614, 55317), (5421, 36878), (10842, 18439)]