1643712838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{136453}}^1$

素因数の和:136791

約数の個数: 16

約数和(自身を含む): 2603542320

約数和(自身を除く): 959829482

約数列:

[1, 2, 19, 38, 317, 634, 6023, 12046, 136453, 272906, 2592607, 5185214, 43255601, 86511202, 821856419, 1643712838]

約数ペア:

[(1, 1643712838), (2, 821856419), (19, 86511202), (38, 43255601), (317, 5185214), (634, 2592607), (6023, 272906), (12046, 136453)]