221902772

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1193}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 493556616

約数和(自身を除く): 271653844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 98, 146, 182, 196, 292, 364, 511, 637, 949, 1022, 1193, 1274, 1898, 2044, 2386, 2548, 3577, 3796, 4772, 6643, 7154, 8351, 13286, 14308, 15509, 16702, 26572, 31018, 33404, 46501, 58457, 62036, 87089, 93002, 108563, 116914, 174178, 186004, 217126, 233828, 348356, 434252, 609623, 759941, 1132157, 1219246, 1519882, 2264314, 2438492, 3039764, 4267361, 4528628, 7925099, 8534722, 15850198, 17069444, 31700396, 55475693, 110951386, 221902772]

約数ペア:

[(1, 221902772), (2, 110951386), (4, 55475693), (7, 31700396), (13, 17069444), (14, 15850198), (26, 8534722), (28, 7925099), (49, 4528628), (52, 4267361), (73, 3039764), (91, 2438492), (98, 2264314), (146, 1519882), (182, 1219246), (196, 1132157), (292, 759941), (364, 609623), (511, 434252), (637, 348356), (949, 233828), (1022, 217126), (1193, 186004), (1274, 174178), (1898, 116914), (2044, 108563), (2386, 93002), (2548, 87089), (3577, 62036), (3796, 58457), (4772, 46501), (6643, 33404), (7154, 31018), (8351, 26572), (13286, 16702), (14308, 15509)]