201931254

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{809}}^1$

素因数の和:1114

約数の個数: 72

約数和(自身を含む): 511378920

約数和(自身を除く): 309447666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 283, 294, 441, 566, 809, 849, 882, 1618, 1698, 1981, 2427, 2547, 3962, 4854, 5094, 5663, 5943, 7281, 11326, 11886, 13867, 14562, 16989, 17829, 27734, 33978, 35658, 39641, 41601, 50967, 79282, 83202, 101934, 118923, 124803, 228947, 237846, 249606, 356769, 457894, 686841, 713538, 1373682, 1602629, 2060523, 3205258, 4121046, 4807887, 9615774, 11218403, 14423661, 22436806, 28847322, 33655209, 67310418, 100965627, 201931254]

約数ペア:

[(1, 201931254), (2, 100965627), (3, 67310418), (6, 33655209), (7, 28847322), (9, 22436806), (14, 14423661), (18, 11218403), (21, 9615774), (42, 4807887), (49, 4121046), (63, 3205258), (98, 2060523), (126, 1602629), (147, 1373682), (283, 713538), (294, 686841), (441, 457894), (566, 356769), (809, 249606), (849, 237846), (882, 228947), (1618, 124803), (1698, 118923), (1981, 101934), (2427, 83202), (2547, 79282), (3962, 50967), (4854, 41601), (5094, 39641), (5663, 35658), (5943, 33978), (7281, 27734), (11326, 17829), (11886, 16989), (13867, 14562)]