200819395

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 292992768

約数和(自身を除く): 92173373

約数列:

[1, 5, 7, 31, 35, 49, 137, 155, 193, 217, 245, 685, 959, 965, 1085, 1351, 1519, 4247, 4795, 5983, 6713, 6755, 7595, 9457, 21235, 26441, 29729, 29915, 33565, 41881, 47285, 132205, 148645, 185087, 208103, 209405, 293167, 819671, 925435, 1040515, 1295609, 1465835, 4098355, 5737697, 6478045, 28688485, 40163879, 200819395]

約数ペア:

[(1, 200819395), (5, 40163879), (7, 28688485), (31, 6478045), (35, 5737697), (49, 4098355), (137, 1465835), (155, 1295609), (193, 1040515), (217, 925435), (245, 819671), (685, 293167), (959, 209405), (965, 208103), (1085, 185087), (1351, 148645), (1519, 132205), (4247, 47285), (4795, 41881), (5983, 33565), (6713, 29915), (6755, 29729), (7595, 26441), (9457, 21235)]