870819828

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 2140846848

約数和(自身を除く): 1270027020

約数列:

[1, 2, 3, 4, 6, 12, 41, 71, 82, 97, 123, 142, 164, 194, 213, 246, 257, 284, 291, 388, 426, 492, 514, 582, 771, 852, 1028, 1164, 1542, 2911, 3084, 3977, 5822, 6887, 7954, 8733, 10537, 11644, 11931, 13774, 15908, 17466, 18247, 20661, 21074, 23862, 24929, 27548, 31611, 34932, 36494, 41322, 42148, 47724, 49858, 54741, 63222, 72988, 74787, 82644, 99716, 109482, 126444, 149574, 218964, 282367, 299148, 564734, 748127, 847101, 1022089, 1129468, 1496254, 1694202, 1769959, 2044178, 2244381, 2992508, 3066267, 3388404, 3539918, 4088356, 4488762, 5309877, 6132534, 7079836, 8977524, 10619754, 12265068, 21239508, 72568319, 145136638, 217704957, 290273276, 435409914, 870819828]

約数ペア:

[(1, 870819828), (2, 435409914), (3, 290273276), (4, 217704957), (6, 145136638), (12, 72568319), (41, 21239508), (71, 12265068), (82, 10619754), (97, 8977524), (123, 7079836), (142, 6132534), (164, 5309877), (194, 4488762), (213, 4088356), (246, 3539918), (257, 3388404), (284, 3066267), (291, 2992508), (388, 2244381), (426, 2044178), (492, 1769959), (514, 1694202), (582, 1496254), (771, 1129468), (852, 1022089), (1028, 847101), (1164, 748127), (1542, 564734), (2911, 299148), (3084, 282367), (3977, 218964), (5822, 149574), (6887, 126444), (7954, 109482), (8733, 99716), (10537, 82644), (11644, 74787), (11931, 72988), (13774, 63222), (15908, 54741), (17466, 49858), (18247, 47724), (20661, 42148), (21074, 41322), (23862, 36494), (24929, 34932), (27548, 31611)]