245357406

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1867}}^1$

素因数の和:2038

約数の個数: 72

約数和(自身を含む): 622884600

約数和(自身を除く): 377527194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 149, 294, 298, 441, 447, 882, 894, 1043, 1341, 1867, 2086, 2682, 3129, 3734, 5601, 6258, 7301, 9387, 11202, 13069, 14602, 16803, 18774, 21903, 26138, 33606, 39207, 43806, 65709, 78414, 91483, 117621, 131418, 182966, 235242, 274449, 278183, 548898, 556366, 823347, 834549, 1646694, 1669098, 1947281, 2503647, 3894562, 5007294, 5841843, 11683686, 13630967, 17525529, 27261934, 35051058, 40892901, 81785802, 122678703, 245357406]

約数ペア:

[(1, 245357406), (2, 122678703), (3, 81785802), (6, 40892901), (7, 35051058), (9, 27261934), (14, 17525529), (18, 13630967), (21, 11683686), (42, 5841843), (49, 5007294), (63, 3894562), (98, 2503647), (126, 1947281), (147, 1669098), (149, 1646694), (294, 834549), (298, 823347), (441, 556366), (447, 548898), (882, 278183), (894, 274449), (1043, 235242), (1341, 182966), (1867, 131418), (2086, 117621), (2682, 91483), (3129, 78414), (3734, 65709), (5601, 43806), (6258, 39207), (7301, 33606), (9387, 26138), (11202, 21903), (13069, 18774), (14602, 16803)]