245833666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 436423680

約数和(自身を除く): 190590014

約数列:

[1, 2, 13, 19, 26, 38, 43, 71, 86, 142, 163, 247, 326, 494, 559, 817, 923, 1118, 1349, 1634, 1846, 2119, 2698, 3053, 3097, 4238, 6106, 6194, 7009, 10621, 11573, 14018, 17537, 21242, 23146, 35074, 39689, 40261, 58007, 79378, 80522, 91117, 116014, 133171, 150449, 182234, 219887, 266342, 300898, 439774, 497639, 754091, 995278, 1508182, 1731223, 2858531, 3462446, 5717062, 6469307, 9455141, 12938614, 18910282, 122916833, 245833666]

約数ペア:

[(1, 245833666), (2, 122916833), (13, 18910282), (19, 12938614), (26, 9455141), (38, 6469307), (43, 5717062), (71, 3462446), (86, 2858531), (142, 1731223), (163, 1508182), (247, 995278), (326, 754091), (494, 497639), (559, 439774), (817, 300898), (923, 266342), (1118, 219887), (1349, 182234), (1634, 150449), (1846, 133171), (2119, 116014), (2698, 91117), (3053, 80522), (3097, 79378), (4238, 58007), (6106, 40261), (6194, 39689), (7009, 35074), (10621, 23146), (11573, 21242), (14018, 17537)]