28911990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1171}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 69532416

約数和(自身を除く): 40620426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 823, 1171, 1646, 2342, 2469, 3513, 4115, 4938, 5855, 7026, 8230, 11710, 12345, 17565, 24690, 35130, 963733, 1927466, 2891199, 4818665, 5782398, 9637330, 14455995, 28911990]

約数ペア:

[(1, 28911990), (2, 14455995), (3, 9637330), (5, 5782398), (6, 4818665), (10, 2891199), (15, 1927466), (30, 963733), (823, 35130), (1171, 24690), (1646, 17565), (2342, 12345), (2469, 11710), (3513, 8230), (4115, 7026), (4938, 5855)]