28787730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15731}}^1$

素因数の和:15802

約数の個数: 32

約数和(自身を含む): 70227648

約数和(自身を除く): 41439918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 15731, 31462, 47193, 78655, 94386, 157310, 235965, 471930, 959591, 1919182, 2878773, 4797955, 5757546, 9595910, 14393865, 28787730]

約数ペア:

[(1, 28787730), (2, 14393865), (3, 9595910), (5, 5757546), (6, 4797955), (10, 2878773), (15, 1919182), (30, 959591), (61, 471930), (122, 235965), (183, 157310), (305, 94386), (366, 78655), (610, 47193), (915, 31462), (1830, 15731)]