1640785538

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1\times {\mathrm{1613}}^1$

素因数の和:2378

約数の個数: 32

約数和(自身を含む): 2843842176

約数和(自身を除く): 1203056638

約数列:

[1, 2, 7, 14, 113, 226, 643, 791, 1286, 1582, 1613, 3226, 4501, 9002, 11291, 22582, 72659, 145318, 182269, 364538, 508613, 1017226, 1037159, 1275883, 2074318, 2551766, 7260113, 14520226, 117198967, 234397934, 820392769, 1640785538]

約数ペア:

[(1, 1640785538), (2, 820392769), (7, 234397934), (14, 117198967), (113, 14520226), (226, 7260113), (643, 2551766), (791, 2074318), (1286, 1275883), (1582, 1037159), (1613, 1017226), (3226, 508613), (4501, 364538), (9002, 182269), (11291, 145318), (22582, 72659)]