16718744

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 37635840

約数和(自身を除く): 20917096

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 53, 56, 86, 106, 131, 172, 212, 262, 301, 344, 371, 424, 524, 602, 742, 917, 1048, 1204, 1484, 1834, 2279, 2408, 2968, 3668, 4558, 5633, 6943, 7336, 9116, 11266, 13886, 15953, 18232, 22532, 27772, 31906, 39431, 45064, 48601, 55544, 63812, 78862, 97202, 127624, 157724, 194404, 298549, 315448, 388808, 597098, 1194196, 2089843, 2388392, 4179686, 8359372, 16718744]

約数ペア:

[(1, 16718744), (2, 8359372), (4, 4179686), (7, 2388392), (8, 2089843), (14, 1194196), (28, 597098), (43, 388808), (53, 315448), (56, 298549), (86, 194404), (106, 157724), (131, 127624), (172, 97202), (212, 78862), (262, 63812), (301, 55544), (344, 48601), (371, 45064), (424, 39431), (524, 31906), (602, 27772), (742, 22532), (917, 18232), (1048, 15953), (1204, 13886), (1484, 11266), (1834, 9116), (2279, 7336), (2408, 6943), (2968, 5633), (3668, 4558)]