25775672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 30470728

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 239, 244, 442, 478, 488, 793, 884, 956, 1037, 1586, 1768, 1912, 2074, 3107, 3172, 4063, 4148, 6214, 6344, 8126, 8296, 12428, 13481, 14579, 16252, 24856, 26962, 29158, 32504, 52819, 53924, 58316, 105638, 107848, 116632, 189527, 211276, 247843, 379054, 422552, 495686, 758108, 991372, 1516216, 1982744, 3221959, 6443918, 12887836, 25775672]

約数ペア:

[(1, 25775672), (2, 12887836), (4, 6443918), (8, 3221959), (13, 1982744), (17, 1516216), (26, 991372), (34, 758108), (52, 495686), (61, 422552), (68, 379054), (104, 247843), (122, 211276), (136, 189527), (221, 116632), (239, 107848), (244, 105638), (442, 58316), (478, 53924), (488, 52819), (793, 32504), (884, 29158), (956, 26962), (1037, 24856), (1586, 16252), (1768, 14579), (1912, 13481), (2074, 12428), (3107, 8296), (3172, 8126), (4063, 6344), (4148, 6214)]