78989764

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21211}}^1$

素因数の和:21248

約数の個数: 36

約数和(自身を含む): 169271760

約数和(自身を除く): 90281996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 21211, 42422, 84844, 148477, 296954, 403009, 593908, 806018, 1039339, 1612036, 2078678, 2821063, 4157356, 5642126, 11284252, 19747441, 39494882, 78989764]

約数ペア:

[(1, 78989764), (2, 39494882), (4, 19747441), (7, 11284252), (14, 5642126), (19, 4157356), (28, 2821063), (38, 2078678), (49, 1612036), (76, 1039339), (98, 806018), (133, 593908), (196, 403009), (266, 296954), (532, 148477), (931, 84844), (1862, 42422), (3724, 21211)]