278053105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 407586816

約数和(自身を除く): 129533711

約数列:

[1, 5, 11, 17, 31, 53, 55, 85, 155, 181, 187, 265, 341, 527, 583, 901, 905, 935, 1643, 1705, 1991, 2635, 2915, 3077, 4505, 5611, 5797, 8215, 9593, 9911, 9955, 15385, 18073, 27931, 28055, 28985, 33847, 47965, 49555, 61721, 90365, 95387, 105523, 139655, 163081, 169235, 297383, 307241, 308605, 476935, 527615, 815405, 1049257, 1486915, 1536205, 1793891, 3271213, 5055511, 5246285, 8969455, 16356065, 25277555, 55610621, 278053105]

約数ペア:

[(1, 278053105), (5, 55610621), (11, 25277555), (17, 16356065), (31, 8969455), (53, 5246285), (55, 5055511), (85, 3271213), (155, 1793891), (181, 1536205), (187, 1486915), (265, 1049257), (341, 815405), (527, 527615), (583, 476935), (901, 308605), (905, 307241), (935, 297383), (1643, 169235), (1705, 163081), (1991, 139655), (2635, 105523), (2915, 95387), (3077, 90365), (4505, 61721), (5611, 49555), (5797, 47965), (8215, 33847), (9593, 28985), (9911, 28055), (9955, 27931), (15385, 18073)]