1640135906

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{41357}}^1$

素因数の和:41689

約数の個数: 16

約数和(自身を含む): 2501331840

約数和(自身を除く): 861195934

約数列:

[1, 2, 79, 158, 251, 502, 19829, 39658, 41357, 82714, 3267203, 6534406, 10380607, 20761214, 820067953, 1640135906]

約数ペア:

[(1, 1640135906), (2, 820067953), (79, 20761214), (158, 10380607), (251, 6534406), (502, 3267203), (19829, 82714), (39658, 41357)]