1913414995751

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{4723}}^1$

素因数の和:5356

約数の個数: 64

約数和(自身を含む): 2357785436160

約数和(自身を除く): 444370440409

約数列:

[1, 7, 23, 43, 139, 161, 301, 421, 973, 989, 2947, 3197, 4723, 5977, 6923, 9683, 18103, 22379, 33061, 41839, 58519, 67781, 108629, 126721, 137471, 203089, 409633, 416369, 656497, 760403, 962297, 1345937, 1421623, 1988383, 2516317, 2914583, 4595479, 4671047, 9421559, 13918681, 15099431, 17614219, 28229371, 32697329, 45732809, 57875291, 85500469, 105696017, 197605597, 276385237, 320129663, 405127037, 598503283, 649275533, 1934696659, 1966510787, 4544928731, 6356860451, 11884565191, 13765575509, 44498023157, 83191956337, 273344999393, 1913414995751]

約数ペア:

[(1, 1913414995751), (7, 273344999393), (23, 83191956337), (43, 44498023157), (139, 13765575509), (161, 11884565191), (301, 6356860451), (421, 4544928731), (973, 1966510787), (989, 1934696659), (2947, 649275533), (3197, 598503283), (4723, 405127037), (5977, 320129663), (6923, 276385237), (9683, 197605597), (18103, 105696017), (22379, 85500469), (33061, 57875291), (41839, 45732809), (58519, 32697329), (67781, 28229371), (108629, 17614219), (126721, 15099431), (137471, 13918681), (203089, 9421559), (409633, 4671047), (416369, 4595479), (656497, 2914583), (760403, 2516317), (962297, 1988383), (1345937, 1421623)]