78979698

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:549

約数の個数: 80

約数和(自身を含む): 203791104

約数和(自身を除く): 124811406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 257, 271, 378, 514, 542, 567, 771, 813, 1134, 1542, 1626, 1799, 1897, 2313, 2439, 3598, 3794, 4626, 4878, 5397, 5691, 6939, 7317, 10794, 11382, 13878, 14634, 16191, 17073, 20817, 21951, 32382, 34146, 41634, 43902, 48573, 51219, 69647, 97146, 102438, 139294, 145719, 153657, 208941, 291438, 307314, 417882, 487529, 626823, 975058, 1253646, 1462587, 1880469, 2925174, 3760938, 4387761, 5641407, 8775522, 11282814, 13163283, 26326566, 39489849, 78979698]

約数ペア:

[(1, 78979698), (2, 39489849), (3, 26326566), (6, 13163283), (7, 11282814), (9, 8775522), (14, 5641407), (18, 4387761), (21, 3760938), (27, 2925174), (42, 1880469), (54, 1462587), (63, 1253646), (81, 975058), (126, 626823), (162, 487529), (189, 417882), (257, 307314), (271, 291438), (378, 208941), (514, 153657), (542, 145719), (567, 139294), (771, 102438), (813, 97146), (1134, 69647), (1542, 51219), (1626, 48573), (1799, 43902), (1897, 41634), (2313, 34146), (2439, 32382), (3598, 21951), (3794, 20817), (4626, 17073), (4878, 16191), (5397, 14634), (5691, 13878), (6939, 11382), (7317, 10794)]