1281942145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 1832025600

約数和(自身を除く): 550083455

約数列:

[1, 5, 11, 23, 37, 55, 61, 115, 185, 253, 305, 407, 449, 671, 851, 1265, 1403, 2035, 2245, 2257, 3355, 4255, 4939, 7015, 9361, 10327, 11285, 15433, 16613, 24695, 24827, 27389, 46805, 51635, 51911, 77165, 83065, 113597, 124135, 136945, 182743, 259555, 301279, 382099, 567985, 571021, 629947, 913715, 1013393, 1506395, 1910495, 2855105, 3149735, 4203089, 5066965, 6929417, 11147323, 21015445, 23308039, 34647085, 55736615, 116540195, 256388429, 1281942145]

約数ペア:

[(1, 1281942145), (5, 256388429), (11, 116540195), (23, 55736615), (37, 34647085), (55, 23308039), (61, 21015445), (115, 11147323), (185, 6929417), (253, 5066965), (305, 4203089), (407, 3149735), (449, 2855105), (671, 1910495), (851, 1506395), (1265, 1013393), (1403, 913715), (2035, 629947), (2245, 571021), (2257, 567985), (3355, 382099), (4255, 301279), (4939, 259555), (7015, 182743), (9361, 136945), (10327, 124135), (11285, 113597), (15433, 83065), (16613, 77165), (24695, 51911), (24827, 51635), (27389, 46805)]