81639584

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{443}}^2$

素因数の和:909

約数の個数: 36

約数和(自身を含む): 173483226

約数和(自身を除く): 91843642

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 443, 886, 1772, 3544, 5759, 7088, 11518, 14176, 23036, 46072, 92144, 184288, 196249, 392498, 784996, 1569992, 2551237, 3139984, 5102474, 6279968, 10204948, 20409896, 40819792, 81639584]

約数ペア:

[(1, 81639584), (2, 40819792), (4, 20409896), (8, 10204948), (13, 6279968), (16, 5102474), (26, 3139984), (32, 2551237), (52, 1569992), (104, 784996), (208, 392498), (416, 196249), (443, 184288), (886, 92144), (1772, 46072), (3544, 23036), (5759, 14176), (7088, 11518)]