81421616

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:729

約数の個数: 40

約数和(自身を含む): 161489664

約数和(自身を除く): 80068048

約数列:

[1, 2, 4, 8, 16, 67, 134, 151, 268, 302, 503, 536, 604, 1006, 1072, 1208, 2012, 2416, 4024, 8048, 10117, 20234, 33701, 40468, 67402, 75953, 80936, 134804, 151906, 161872, 269608, 303812, 539216, 607624, 1215248, 5088851, 10177702, 20355404, 40710808, 81421616]

約数ペア:

[(1, 81421616), (2, 40710808), (4, 20355404), (8, 10177702), (16, 5088851), (67, 1215248), (134, 607624), (151, 539216), (268, 303812), (302, 269608), (503, 161872), (536, 151906), (604, 134804), (1006, 80936), (1072, 75953), (1208, 67402), (2012, 40468), (2416, 33701), (4024, 20234), (8048, 10117)]