81489694016

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{4099}}^1\times {\mathrm{16349}}^1$

素因数の和:20479

約数の個数: 56

約数和(自身を含む): 170268900000

約数和(自身を除く): 88779205984

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 4099, 8198, 16349, 16396, 32698, 32792, 65396, 65584, 77881, 130792, 131168, 155762, 261584, 262336, 310631, 311524, 523168, 621262, 623048, 1046336, 1242524, 1246096, 2485048, 2492192, 4970096, 4984384, 9940192, 19880384, 67014551, 134029102, 268058204, 536116408, 1072232816, 1273276469, 2144465632, 2546552938, 4288931264, 5093105876, 10186211752, 20372423504, 40744847008, 81489694016]

約数ペア:

[(1, 81489694016), (2, 40744847008), (4, 20372423504), (8, 10186211752), (16, 5093105876), (19, 4288931264), (32, 2546552938), (38, 2144465632), (64, 1273276469), (76, 1072232816), (152, 536116408), (304, 268058204), (608, 134029102), (1216, 67014551), (4099, 19880384), (8198, 9940192), (16349, 4984384), (16396, 4970096), (32698, 2492192), (32792, 2485048), (65396, 1246096), (65584, 1242524), (77881, 1046336), (130792, 623048), (131168, 621262), (155762, 523168), (261584, 311524), (262336, 310631)]