664758724

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 1417520384

約数和(自身を除く): 752761660

約数列:

[1, 2, 4, 7, 14, 28, 37, 61, 67, 74, 122, 134, 148, 157, 244, 259, 268, 314, 427, 469, 518, 628, 854, 938, 1036, 1099, 1708, 1876, 2198, 2257, 2479, 4087, 4396, 4514, 4958, 5809, 8174, 9028, 9577, 9916, 10519, 11618, 15799, 16348, 17353, 19154, 21038, 23236, 28609, 31598, 34706, 38308, 40663, 42076, 57218, 63196, 67039, 69412, 73633, 81326, 114436, 134078, 147266, 151219, 162652, 268156, 294532, 302438, 354349, 389203, 604876, 641659, 708698, 778406, 1058533, 1283318, 1417396, 1556812, 2117066, 2480443, 2566636, 2724421, 4234132, 4491613, 4960886, 5448842, 8983226, 9921772, 10897684, 17966452, 23741383, 47482766, 94965532, 166189681, 332379362, 664758724]

約数ペア:

[(1, 664758724), (2, 332379362), (4, 166189681), (7, 94965532), (14, 47482766), (28, 23741383), (37, 17966452), (61, 10897684), (67, 9921772), (74, 8983226), (122, 5448842), (134, 4960886), (148, 4491613), (157, 4234132), (244, 2724421), (259, 2566636), (268, 2480443), (314, 2117066), (427, 1556812), (469, 1417396), (518, 1283318), (628, 1058533), (854, 778406), (938, 708698), (1036, 641659), (1099, 604876), (1708, 389203), (1876, 354349), (2198, 302438), (2257, 294532), (2479, 268156), (4087, 162652), (4396, 151219), (4514, 147266), (4958, 134078), (5809, 114436), (8174, 81326), (9028, 73633), (9577, 69412), (9916, 67039), (10519, 63196), (11618, 57218), (15799, 42076), (16348, 40663), (17353, 38308), (19154, 34706), (21038, 31598), (23236, 28609)]