65847255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 118886400

約数和(自身を除く): 53039145

約数列:

[1, 3, 5, 15, 19, 29, 31, 57, 87, 93, 95, 145, 155, 257, 285, 435, 465, 551, 589, 771, 899, 1285, 1653, 1767, 2697, 2755, 2945, 3855, 4495, 4883, 7453, 7967, 8265, 8835, 13485, 14649, 17081, 22359, 23901, 24415, 37265, 39835, 51243, 73245, 85405, 111795, 119505, 141607, 151373, 231043, 256215, 424821, 454119, 693129, 708035, 756865, 1155215, 2124105, 2270595, 3465645, 4389817, 13169451, 21949085, 65847255]

約数ペア:

[(1, 65847255), (3, 21949085), (5, 13169451), (15, 4389817), (19, 3465645), (29, 2270595), (31, 2124105), (57, 1155215), (87, 756865), (93, 708035), (95, 693129), (145, 454119), (155, 424821), (257, 256215), (285, 231043), (435, 151373), (465, 141607), (551, 119505), (589, 111795), (771, 85405), (899, 73245), (1285, 51243), (1653, 39835), (1767, 37265), (2697, 24415), (2755, 23901), (2945, 22359), (3855, 17081), (4495, 14649), (4883, 13485), (7453, 8835), (7967, 8265)]