1881331265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:962

約数の個数: 64

約数和(自身を含む): 2768567040

約数和(自身を除く): 887235775

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 137, 187, 209, 323, 685, 773, 935, 1045, 1507, 1615, 2329, 2603, 3553, 3865, 7535, 8503, 11645, 13015, 13141, 14687, 17765, 25619, 28633, 42515, 44251, 65705, 73435, 105901, 128095, 143165, 144551, 161557, 221255, 249679, 486761, 529505, 722755, 807785, 1164911, 1248395, 1800317, 2012119, 2433805, 2746469, 5824555, 9001585, 10060595, 13732345, 19803487, 22133309, 34206023, 99017435, 110666545, 171030115, 376266253, 1881331265]

約数ペア:

[(1, 1881331265), (5, 376266253), (11, 171030115), (17, 110666545), (19, 99017435), (55, 34206023), (85, 22133309), (95, 19803487), (137, 13732345), (187, 10060595), (209, 9001585), (323, 5824555), (685, 2746469), (773, 2433805), (935, 2012119), (1045, 1800317), (1507, 1248395), (1615, 1164911), (2329, 807785), (2603, 722755), (3553, 529505), (3865, 486761), (7535, 249679), (8503, 221255), (11645, 161557), (13015, 144551), (13141, 143165), (14687, 128095), (17765, 105901), (25619, 73435), (28633, 65705), (42515, 44251)]