31389844871

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1873}}^1$

素因数の和:2005

約数の個数: 96

約数和(自身を含む): 44299560960

約数和(自身を除く): 12909716089

約数列:

[1, 7, 11, 17, 31, 49, 59, 77, 119, 187, 217, 341, 413, 527, 539, 649, 833, 1003, 1309, 1519, 1829, 1873, 2387, 2891, 3689, 4543, 5797, 7021, 9163, 11033, 12803, 13111, 16709, 20119, 20603, 25823, 31093, 31801, 31841, 40579, 49147, 58063, 77231, 89621, 91777, 110507, 140833, 144221, 217651, 222887, 284053, 342023, 350251, 406441, 540617, 638693, 773549, 985831, 987071, 1009547, 1215577, 1523557, 1560209, 1878619, 2394161, 2451757, 2845087, 3425717, 4470851, 5414843, 6909497, 8509039, 10857781, 13150333, 16759127, 17162299, 20664809, 23980019, 31295957, 37682887, 48366479, 58237189, 59563273, 76004467, 92052331, 144653663, 167860133, 263780209, 407660323, 532031269, 640609079, 1012575641, 1846461463, 2853622261, 4484263553, 31389844871]

約数ペア:

[(1, 31389844871), (7, 4484263553), (11, 2853622261), (17, 1846461463), (31, 1012575641), (49, 640609079), (59, 532031269), (77, 407660323), (119, 263780209), (187, 167860133), (217, 144653663), (341, 92052331), (413, 76004467), (527, 59563273), (539, 58237189), (649, 48366479), (833, 37682887), (1003, 31295957), (1309, 23980019), (1519, 20664809), (1829, 17162299), (1873, 16759127), (2387, 13150333), (2891, 10857781), (3689, 8509039), (4543, 6909497), (5797, 5414843), (7021, 4470851), (9163, 3425717), (11033, 2845087), (12803, 2451757), (13111, 2394161), (16709, 1878619), (20119, 1560209), (20603, 1523557), (25823, 1215577), (31093, 1009547), (31801, 987071), (31841, 985831), (40579, 773549), (49147, 638693), (58063, 540617), (77231, 406441), (89621, 350251), (91777, 342023), (110507, 284053), (140833, 222887), (144221, 217651)]