16428898876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{787}}^1\times {\mathrm{2557}}^1$

素因数の和:3518

約数の個数: 48

約数和(自身を含む): 31211160736

約数和(自身を除く): 14782261860

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 787, 1574, 2041, 2557, 3148, 4082, 5114, 8164, 10228, 10231, 20462, 33241, 40924, 66482, 123559, 132964, 247118, 401449, 494236, 802898, 1605796, 1606267, 2012359, 3212534, 4024718, 5218837, 6425068, 8049436, 10437674, 20875348, 26160667, 52321334, 104642668, 315940363, 631880726, 1263761452, 4107224719, 8214449438, 16428898876]

約数ペア:

[(1, 16428898876), (2, 8214449438), (4, 4107224719), (13, 1263761452), (26, 631880726), (52, 315940363), (157, 104642668), (314, 52321334), (628, 26160667), (787, 20875348), (1574, 10437674), (2041, 8049436), (2557, 6425068), (3148, 5218837), (4082, 4024718), (5114, 3212534), (8164, 2012359), (10228, 1606267), (10231, 1605796), (20462, 802898), (33241, 494236), (40924, 401449), (66482, 247118), (123559, 132964)]