163908724

素因数分解:

$2^2\times 7^3\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 336784000

約数和(自身を除く): 172875276

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 343, 386, 619, 686, 772, 1238, 1351, 1372, 2476, 2702, 4333, 5404, 8666, 9457, 17332, 18914, 30331, 37828, 60662, 66199, 119467, 121324, 132398, 212317, 238934, 264796, 424634, 477868, 836269, 849268, 1672538, 3345076, 5853883, 11707766, 23415532, 40977181, 81954362, 163908724]

約数ペア:

[(1, 163908724), (2, 81954362), (4, 40977181), (7, 23415532), (14, 11707766), (28, 5853883), (49, 3345076), (98, 1672538), (193, 849268), (196, 836269), (343, 477868), (386, 424634), (619, 264796), (686, 238934), (772, 212317), (1238, 132398), (1351, 121324), (1372, 119467), (2476, 66199), (2702, 60662), (4333, 37828), (5404, 30331), (8666, 18914), (9457, 17332)]