287936545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 404026560

約数和(自身を除く): 116090015

約数列:

[1, 5, 13, 19, 53, 65, 83, 95, 247, 265, 415, 689, 1007, 1079, 1235, 1577, 2809, 3445, 4399, 5035, 5395, 7885, 13091, 14045, 20501, 21995, 36517, 53371, 57187, 65455, 83581, 102505, 182585, 233147, 266855, 285935, 417905, 693823, 1086553, 1165735, 3030911, 3469115, 4429793, 5432765, 15154555, 22148965, 57587309, 287936545]

約数ペア:

[(1, 287936545), (5, 57587309), (13, 22148965), (19, 15154555), (53, 5432765), (65, 4429793), (83, 3469115), (95, 3030911), (247, 1165735), (265, 1086553), (415, 693823), (689, 417905), (1007, 285935), (1079, 266855), (1235, 233147), (1577, 182585), (2809, 102505), (3445, 83581), (4399, 65455), (5035, 57187), (5395, 53371), (7885, 36517), (13091, 21995), (14045, 20501)]