42874990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1423}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 81202176

約数和(自身を除く): 38327186

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 1310, 1423, 2846, 3013, 6026, 7115, 14230, 15065, 30130, 32729, 65458, 163645, 186413, 327290, 372826, 932065, 1864130, 4287499, 8574998, 21437495, 42874990]

約数ペア:

[(1, 42874990), (2, 21437495), (5, 8574998), (10, 4287499), (23, 1864130), (46, 932065), (115, 372826), (131, 327290), (230, 186413), (262, 163645), (655, 65458), (1310, 32729), (1423, 30130), (2846, 15065), (3013, 14230), (6026, 7115)]