643816026

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29881}}^1$

素因数の和:29921

約数の個数: 80

約数和(自身を含む): 1735546560

約数和(自身を除く): 1091730534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1026, 1134, 1197, 1539, 2394, 3078, 3591, 7182, 10773, 21546, 29881, 59762, 89643, 179286, 209167, 268929, 418334, 537858, 567739, 627501, 806787, 1135478, 1255002, 1613574, 1703217, 1882503, 2420361, 3406434, 3765006, 3974173, 4840722, 5109651, 5647509, 7948346, 10219302, 11295018, 11922519, 15328953, 16942527, 23845038, 30657906, 33885054, 35767557, 45986859, 71535114, 91973718, 107302671, 214605342, 321908013, 643816026]

約数ペア:

[(1, 643816026), (2, 321908013), (3, 214605342), (6, 107302671), (7, 91973718), (9, 71535114), (14, 45986859), (18, 35767557), (19, 33885054), (21, 30657906), (27, 23845038), (38, 16942527), (42, 15328953), (54, 11922519), (57, 11295018), (63, 10219302), (81, 7948346), (114, 5647509), (126, 5109651), (133, 4840722), (162, 3974173), (171, 3765006), (189, 3406434), (266, 2420361), (342, 1882503), (378, 1703217), (399, 1613574), (513, 1255002), (567, 1135478), (798, 806787), (1026, 627501), (1134, 567739), (1197, 537858), (1539, 418334), (2394, 268929), (3078, 209167), (3591, 179286), (7182, 89643), (10773, 59762), (21546, 29881)]