31129448

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1770

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 43260952

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 1721, 2261, 2584, 3442, 4522, 6884, 9044, 12047, 13768, 18088, 24094, 29257, 32699, 48188, 58514, 65398, 96376, 117028, 130796, 204799, 228893, 234056, 261592, 409598, 457786, 555883, 819196, 915572, 1111766, 1638392, 1831144, 2223532, 3891181, 4447064, 7782362, 15564724, 31129448]

約数ペア:

[(1, 31129448), (2, 15564724), (4, 7782362), (7, 4447064), (8, 3891181), (14, 2223532), (17, 1831144), (19, 1638392), (28, 1111766), (34, 915572), (38, 819196), (56, 555883), (68, 457786), (76, 409598), (119, 261592), (133, 234056), (136, 228893), (152, 204799), (238, 130796), (266, 117028), (323, 96376), (476, 65398), (532, 58514), (646, 48188), (952, 32699), (1064, 29257), (1292, 24094), (1721, 18088), (2261, 13768), (2584, 12047), (3442, 9044), (4522, 6884)]