249215988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2861}}^1$

素因数の和:2953

約数の個数: 96

約数和(自身を含む): 715454208

約数和(自身を除く): 466238220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 61, 68, 84, 102, 119, 122, 183, 204, 238, 244, 357, 366, 427, 476, 714, 732, 854, 1037, 1281, 1428, 1708, 2074, 2562, 2861, 3111, 4148, 5124, 5722, 6222, 7259, 8583, 11444, 12444, 14518, 17166, 20027, 21777, 29036, 34332, 40054, 43554, 48637, 60081, 80108, 87108, 97274, 120162, 145911, 174521, 194548, 240324, 291822, 340459, 349042, 523563, 583644, 680918, 698084, 1021377, 1047126, 1221647, 1361836, 2042754, 2094252, 2443294, 2966857, 3664941, 4085508, 4886588, 5933714, 7329882, 8900571, 11867428, 14659764, 17801142, 20767999, 35602284, 41535998, 62303997, 83071996, 124607994, 249215988]

約数ペア:

[(1, 249215988), (2, 124607994), (3, 83071996), (4, 62303997), (6, 41535998), (7, 35602284), (12, 20767999), (14, 17801142), (17, 14659764), (21, 11867428), (28, 8900571), (34, 7329882), (42, 5933714), (51, 4886588), (61, 4085508), (68, 3664941), (84, 2966857), (102, 2443294), (119, 2094252), (122, 2042754), (183, 1361836), (204, 1221647), (238, 1047126), (244, 1021377), (357, 698084), (366, 680918), (427, 583644), (476, 523563), (714, 349042), (732, 340459), (854, 291822), (1037, 240324), (1281, 194548), (1428, 174521), (1708, 145911), (2074, 120162), (2562, 97274), (2861, 87108), (3111, 80108), (4148, 60081), (5124, 48637), (5722, 43554), (6222, 40054), (7259, 34332), (8583, 29036), (11444, 21777), (12444, 20027), (14518, 17166)]