28380786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39749}}^1$

素因数の和:39778

約数の個数: 32

約数和(自身を含む): 68688000

約数和(自身を除く): 40307214

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 39749, 79498, 119247, 238494, 278243, 556486, 675733, 834729, 1351466, 1669458, 2027199, 4054398, 4730131, 9460262, 14190393, 28380786]

約数ペア:

[(1, 28380786), (2, 14190393), (3, 9460262), (6, 4730131), (7, 4054398), (14, 2027199), (17, 1669458), (21, 1351466), (34, 834729), (42, 675733), (51, 556486), (102, 278243), (119, 238494), (238, 119247), (357, 79498), (714, 39749)]