28667898

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 73440000

約数和(自身を除く): 44772102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 149, 189, 298, 378, 447, 509, 894, 1018, 1043, 1341, 1527, 2086, 2682, 3054, 3129, 3563, 4023, 4581, 6258, 7126, 8046, 9162, 9387, 10689, 13743, 18774, 21378, 27486, 28161, 32067, 56322, 64134, 75841, 96201, 151682, 192402, 227523, 455046, 530887, 682569, 1061774, 1365138, 1592661, 2047707, 3185322, 4095414, 4777983, 9555966, 14333949, 28667898]

約数ペア:

[(1, 28667898), (2, 14333949), (3, 9555966), (6, 4777983), (7, 4095414), (9, 3185322), (14, 2047707), (18, 1592661), (21, 1365138), (27, 1061774), (42, 682569), (54, 530887), (63, 455046), (126, 227523), (149, 192402), (189, 151682), (298, 96201), (378, 75841), (447, 64134), (509, 56322), (894, 32067), (1018, 28161), (1043, 27486), (1341, 21378), (1527, 18774), (2086, 13743), (2682, 10689), (3054, 9387), (3129, 9162), (3563, 8046), (4023, 7126), (4581, 6258)]