2648646

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:56

約数の個数: 128

約数和(自身を含む): 8064000

約数和(自身を除く): 5415354

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 49, 54, 63, 66, 77, 78, 91, 98, 99, 117, 126, 143, 147, 154, 182, 189, 198, 231, 234, 273, 286, 294, 297, 343, 351, 378, 429, 441, 462, 539, 546, 594, 637, 686, 693, 702, 819, 858, 882, 1001, 1029, 1078, 1274, 1287, 1323, 1386, 1617, 1638, 1911, 2002, 2058, 2079, 2457, 2574, 2646, 3003, 3087, 3234, 3773, 3822, 3861, 4158, 4459, 4851, 4914, 5733, 6006, 6174, 7007, 7546, 7722, 8918, 9009, 9261, 9702, 11319, 11466, 13377, 14014, 14553, 17199, 18018, 18522, 21021, 22638, 26754, 27027, 29106, 33957, 34398, 40131, 42042, 49049, 54054, 63063, 67914, 80262, 98098, 101871, 120393, 126126, 147147, 189189, 203742, 240786, 294294, 378378, 441441, 882882, 1324323, 2648646]

約数ペア:

[(1, 2648646), (2, 1324323), (3, 882882), (6, 441441), (7, 378378), (9, 294294), (11, 240786), (13, 203742), (14, 189189), (18, 147147), (21, 126126), (22, 120393), (26, 101871), (27, 98098), (33, 80262), (39, 67914), (42, 63063), (49, 54054), (54, 49049), (63, 42042), (66, 40131), (77, 34398), (78, 33957), (91, 29106), (98, 27027), (99, 26754), (117, 22638), (126, 21021), (143, 18522), (147, 18018), (154, 17199), (182, 14553), (189, 14014), (198, 13377), (231, 11466), (234, 11319), (273, 9702), (286, 9261), (294, 9009), (297, 8918), (343, 7722), (351, 7546), (378, 7007), (429, 6174), (441, 6006), (462, 5733), (539, 4914), (546, 4851), (594, 4459), (637, 4158), (686, 3861), (693, 3822), (702, 3773), (819, 3234), (858, 3087), (882, 3003), (1001, 2646), (1029, 2574), (1078, 2457), (1274, 2079), (1287, 2058), (1323, 2002), (1386, 1911), (1617, 1638)]