81981970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{7013}}^1$

素因数の和:7194

約数の個数: 32

約数和(自身を含む): 169682688

約数和(自身を除く): 87700718

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1670, 2338, 5845, 7013, 11690, 14026, 35065, 49091, 70130, 98182, 245455, 490910, 1171171, 2342342, 5855855, 8198197, 11711710, 16396394, 40990985, 81981970]

約数ペア:

[(1, 81981970), (2, 40990985), (5, 16396394), (7, 11711710), (10, 8198197), (14, 5855855), (35, 2342342), (70, 1171171), (167, 490910), (334, 245455), (835, 98182), (1169, 70130), (1670, 49091), (2338, 35065), (5845, 14026), (7013, 11690)]