253301768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1710

約数の個数: 64

約数和(自身を含む): 538358400

約数和(自身を除く): 285056632

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 61, 68, 76, 122, 136, 152, 244, 323, 488, 646, 1037, 1159, 1292, 1607, 2074, 2318, 2584, 3214, 4148, 4636, 6428, 8296, 9272, 12856, 19703, 27319, 30533, 39406, 54638, 61066, 78812, 98027, 109276, 122132, 157624, 196054, 218552, 244264, 392108, 519061, 784216, 1038122, 1666459, 1862513, 2076244, 3332918, 3725026, 4152488, 6665836, 7450052, 13331672, 14900104, 31662721, 63325442, 126650884, 253301768]

約数ペア:

[(1, 253301768), (2, 126650884), (4, 63325442), (8, 31662721), (17, 14900104), (19, 13331672), (34, 7450052), (38, 6665836), (61, 4152488), (68, 3725026), (76, 3332918), (122, 2076244), (136, 1862513), (152, 1666459), (244, 1038122), (323, 784216), (488, 519061), (646, 392108), (1037, 244264), (1159, 218552), (1292, 196054), (1607, 157624), (2074, 122132), (2318, 109276), (2584, 98027), (3214, 78812), (4148, 61066), (4636, 54638), (6428, 39406), (8296, 30533), (9272, 27319), (12856, 19703)]