209245690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{18371}}^1$

素因数の和:18462

約数の個数: 32

約数和(自身を含む): 404771904

約数和(自身を除く): 195526214

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 5695, 11390, 18371, 36742, 91855, 183710, 312307, 624614, 1230857, 1561535, 2461714, 3123070, 6154285, 12308570, 20924569, 41849138, 104622845, 209245690]

約数ペア:

[(1, 209245690), (2, 104622845), (5, 41849138), (10, 20924569), (17, 12308570), (34, 6154285), (67, 3123070), (85, 2461714), (134, 1561535), (170, 1230857), (335, 624614), (670, 312307), (1139, 183710), (2278, 91855), (5695, 36742), (11390, 18371)]