209957264

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{9859}}^1$

素因数の和:9900

約数の個数: 40

約数和(自身を含む): 447486240

約数和(自身を除く): 237528976

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1331, 1936, 2662, 5324, 9859, 10648, 19718, 21296, 39436, 78872, 108449, 157744, 216898, 433796, 867592, 1192939, 1735184, 2385878, 4771756, 9543512, 13122329, 19087024, 26244658, 52489316, 104978632, 209957264]

約数ペア:

[(1, 209957264), (2, 104978632), (4, 52489316), (8, 26244658), (11, 19087024), (16, 13122329), (22, 9543512), (44, 4771756), (88, 2385878), (121, 1735184), (176, 1192939), (242, 867592), (484, 433796), (968, 216898), (1331, 157744), (1936, 108449), (2662, 78872), (5324, 39436), (9859, 21296), (10648, 19718)]