641635900418

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1\times {\mathrm{1427}}^1$

素因数の和:2103

約数の個数: 64

約数和(自身を含む): 1007021030400

約数和(自身を除く): 365385129982

約数列:

[1, 2, 43, 71, 86, 142, 211, 349, 422, 698, 1427, 2854, 3053, 6106, 9073, 14981, 15007, 18146, 24779, 29962, 30014, 49558, 61361, 73639, 101317, 122722, 147278, 202634, 301097, 498023, 602194, 644183, 996046, 1065497, 1288366, 2130994, 3166477, 4356631, 5228369, 6332954, 8713262, 10456738, 12947171, 21377887, 21414989, 25894342, 35359633, 42755774, 42829978, 70719266, 105082853, 210165706, 224819867, 449639734, 919249141, 1520464219, 1838498282, 3040928438, 4518562679, 7460882563, 9037125358, 14921765126, 320817950209, 641635900418]

約数ペア:

[(1, 641635900418), (2, 320817950209), (43, 14921765126), (71, 9037125358), (86, 7460882563), (142, 4518562679), (211, 3040928438), (349, 1838498282), (422, 1520464219), (698, 919249141), (1427, 449639734), (2854, 224819867), (3053, 210165706), (6106, 105082853), (9073, 70719266), (14981, 42829978), (15007, 42755774), (18146, 35359633), (24779, 25894342), (29962, 21414989), (30014, 21377887), (49558, 12947171), (61361, 10456738), (73639, 8713262), (101317, 6332954), (122722, 5228369), (147278, 4356631), (202634, 3166477), (301097, 2130994), (498023, 1288366), (602194, 1065497), (644183, 996046)]