28990164

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 80438400

約数和(自身を除く): 51448236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1049, 1316, 1974, 2098, 2303, 3147, 3948, 4196, 4606, 6294, 6909, 7343, 9212, 12588, 13818, 14686, 22029, 27636, 29372, 44058, 49303, 51401, 88116, 98606, 102802, 147909, 154203, 197212, 205604, 295818, 308406, 345121, 591636, 616812, 690242, 1035363, 1380484, 2070726, 2415847, 4141452, 4831694, 7247541, 9663388, 14495082, 28990164]

約数ペア:

[(1, 28990164), (2, 14495082), (3, 9663388), (4, 7247541), (6, 4831694), (7, 4141452), (12, 2415847), (14, 2070726), (21, 1380484), (28, 1035363), (42, 690242), (47, 616812), (49, 591636), (84, 345121), (94, 308406), (98, 295818), (141, 205604), (147, 197212), (188, 154203), (196, 147909), (282, 102802), (294, 98606), (329, 88116), (564, 51401), (588, 49303), (658, 44058), (987, 29372), (1049, 27636), (1316, 22029), (1974, 14686), (2098, 13818), (2303, 12588), (3147, 9212), (3948, 7343), (4196, 6909), (4606, 6294)]