28931910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137771}}^1$

素因数の和:137788

約数の個数: 32

約数和(自身を含む): 79356672

約数和(自身を除く): 50424762

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 137771, 275542, 413313, 688855, 826626, 964397, 1377710, 1928794, 2066565, 2893191, 4133130, 4821985, 5786382, 9643970, 14465955, 28931910]

約数ペア:

[(1, 28931910), (2, 14465955), (3, 9643970), (5, 5786382), (6, 4821985), (7, 4133130), (10, 2893191), (14, 2066565), (15, 1928794), (21, 1377710), (30, 964397), (35, 826626), (42, 688855), (70, 413313), (105, 275542), (210, 137771)]