212016688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 461970432

約数和(自身を除く): 249953744

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 131, 208, 248, 251, 262, 403, 496, 502, 524, 806, 1004, 1048, 1612, 1703, 2008, 2096, 3224, 3263, 3406, 4016, 4061, 6448, 6526, 6812, 7781, 8122, 13052, 13624, 15562, 16244, 26104, 27248, 31124, 32488, 32881, 52208, 52793, 62248, 64976, 65762, 101153, 105586, 124496, 131524, 202306, 211172, 263048, 404612, 422344, 427453, 526096, 809224, 844688, 854906, 1019311, 1618448, 1709812, 2038622, 3419624, 4077244, 6839248, 8154488, 13251043, 16308976, 26502086, 53004172, 106008344, 212016688]

約数ペア:

[(1, 212016688), (2, 106008344), (4, 53004172), (8, 26502086), (13, 16308976), (16, 13251043), (26, 8154488), (31, 6839248), (52, 4077244), (62, 3419624), (104, 2038622), (124, 1709812), (131, 1618448), (208, 1019311), (248, 854906), (251, 844688), (262, 809224), (403, 526096), (496, 427453), (502, 422344), (524, 404612), (806, 263048), (1004, 211172), (1048, 202306), (1612, 131524), (1703, 124496), (2008, 105586), (2096, 101153), (3224, 65762), (3263, 64976), (3406, 62248), (4016, 52793), (4061, 52208), (6448, 32881), (6526, 32488), (6812, 31124), (7781, 27248), (8122, 26104), (13052, 16244), (13624, 15562)]