1971226790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^2\times {\mathrm{683}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 3852597168

約数和(自身を除く): 1881370378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 683, 745, 1366, 1490, 1937, 3415, 3874, 6830, 8879, 9685, 17758, 19370, 22201, 44395, 44402, 88790, 101767, 111005, 203534, 222010, 288613, 508835, 577226, 1017670, 1322971, 1443065, 2645942, 2886130, 6614855, 13229710, 15163283, 30326566, 75816415, 151632830, 197122679, 394245358, 985613395, 1971226790]

約数ペア:

[(1, 1971226790), (2, 985613395), (5, 394245358), (10, 197122679), (13, 151632830), (26, 75816415), (65, 30326566), (130, 15163283), (149, 13229710), (298, 6614855), (683, 2886130), (745, 2645942), (1366, 1443065), (1490, 1322971), (1937, 1017670), (3415, 577226), (3874, 508835), (6830, 288613), (8879, 222010), (9685, 203534), (17758, 111005), (19370, 101767), (22201, 88790), (44395, 44402)]