261620216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 614960640

約数和(自身を除く): 353340424

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 61, 88, 92, 104, 122, 143, 163, 184, 244, 253, 286, 299, 326, 488, 506, 572, 598, 652, 671, 793, 1012, 1144, 1196, 1304, 1342, 1403, 1586, 1793, 2024, 2119, 2392, 2684, 2806, 3172, 3289, 3586, 3749, 4238, 5368, 5612, 6344, 6578, 7172, 7498, 8476, 8723, 9943, 11224, 13156, 14344, 14996, 15433, 16952, 17446, 18239, 19886, 23309, 26312, 29992, 30866, 34892, 36478, 39772, 41239, 46618, 48737, 61732, 69784, 72956, 79544, 82478, 93236, 97474, 109373, 123464, 129259, 145912, 164956, 186472, 194948, 200629, 218746, 228689, 258518, 329912, 389896, 401258, 437492, 457378, 517036, 536107, 802516, 874984, 914756, 1034072, 1072214, 1421849, 1605032, 1829512, 2144428, 2515579, 2843698, 2972957, 4288856, 5031158, 5687396, 5945914, 10062316, 11374792, 11891828, 20124632, 23783656, 32702527, 65405054, 130810108, 261620216]

約数ペア:

[(1, 261620216), (2, 130810108), (4, 65405054), (8, 32702527), (11, 23783656), (13, 20124632), (22, 11891828), (23, 11374792), (26, 10062316), (44, 5945914), (46, 5687396), (52, 5031158), (61, 4288856), (88, 2972957), (92, 2843698), (104, 2515579), (122, 2144428), (143, 1829512), (163, 1605032), (184, 1421849), (244, 1072214), (253, 1034072), (286, 914756), (299, 874984), (326, 802516), (488, 536107), (506, 517036), (572, 457378), (598, 437492), (652, 401258), (671, 389896), (793, 329912), (1012, 258518), (1144, 228689), (1196, 218746), (1304, 200629), (1342, 194948), (1403, 186472), (1586, 164956), (1793, 145912), (2024, 129259), (2119, 123464), (2392, 109373), (2684, 97474), (2806, 93236), (3172, 82478), (3289, 79544), (3586, 72956), (3749, 69784), (4238, 61732), (5368, 48737), (5612, 46618), (6344, 41239), (6578, 39772), (7172, 36478), (7498, 34892), (8476, 30866), (8723, 29992), (9943, 26312), (11224, 23309), (13156, 19886), (14344, 18239), (14996, 17446), (15433, 16952)]