72575426

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 142884864

約数和(自身を除く): 70309438

約数列:

[1, 2, 7, 11, 14, 22, 37, 47, 74, 77, 94, 154, 259, 271, 329, 407, 517, 518, 542, 658, 814, 1034, 1739, 1897, 2849, 2981, 3478, 3619, 3794, 5698, 5962, 7238, 10027, 12173, 12737, 19129, 20054, 20867, 24346, 25474, 38258, 41734, 70189, 89159, 110297, 133903, 140107, 140378, 178318, 220594, 267806, 280214, 471269, 772079, 942538, 980749, 1544158, 1961498, 3298883, 5183959, 6597766, 10367918, 36287713, 72575426]

約数ペア:

[(1, 72575426), (2, 36287713), (7, 10367918), (11, 6597766), (14, 5183959), (22, 3298883), (37, 1961498), (47, 1544158), (74, 980749), (77, 942538), (94, 772079), (154, 471269), (259, 280214), (271, 267806), (329, 220594), (407, 178318), (517, 140378), (518, 140107), (542, 133903), (658, 110297), (814, 89159), (1034, 70189), (1739, 41734), (1897, 38258), (2849, 25474), (2981, 24346), (3478, 20867), (3619, 20054), (3794, 19129), (5698, 12737), (5962, 12173), (7238, 10027)]