28490910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{135671}}^1$

素因数の和:135688

約数の個数: 32

約数和(自身を含む): 78147072

約数和(自身を除く): 49656162

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 135671, 271342, 407013, 678355, 814026, 949697, 1356710, 1899394, 2035065, 2849091, 4070130, 4748485, 5698182, 9496970, 14245455, 28490910]

約数ペア:

[(1, 28490910), (2, 14245455), (3, 9496970), (5, 5698182), (6, 4748485), (7, 4070130), (10, 2849091), (14, 2035065), (15, 1899394), (21, 1356710), (30, 949697), (35, 814026), (42, 678355), (70, 407013), (105, 271342), (210, 135671)]