218358128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{7741}}^1$

素因数の和:7833

約数の個数: 40

約数和(自身を含む): 443523696

約数和(自身を除く): 225165568

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 7052, 7741, 14104, 15482, 28208, 30964, 61928, 123856, 317381, 332863, 634762, 665726, 1269524, 1331452, 2539048, 2662904, 5078096, 5325808, 13647383, 27294766, 54589532, 109179064, 218358128]

約数ペア:

[(1, 218358128), (2, 109179064), (4, 54589532), (8, 27294766), (16, 13647383), (41, 5325808), (43, 5078096), (82, 2662904), (86, 2539048), (164, 1331452), (172, 1269524), (328, 665726), (344, 634762), (656, 332863), (688, 317381), (1763, 123856), (3526, 61928), (7052, 30964), (7741, 28208), (14104, 15482)]