666380850688

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9785903}}^1$

素因数の和:9785947

約数の個数: 80

約数和(自身を含む): 1601756766720

約数和(自身を除く): 935375916032

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 512, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 3584, 4256, 4864, 8512, 9728, 17024, 34048, 68096, 9785903, 19571806, 39143612, 68501321, 78287224, 137002642, 156574448, 185932157, 274005284, 313148896, 371864314, 548010568, 626297792, 743728628, 1096021136, 1252595584, 1301525099, 1487457256, 2192042272, 2505191168, 2603050198, 2974914512, 4384084544, 5010382336, 5206100396, 5949829024, 8768169088, 10412200792, 11899658048, 17536338176, 20824401584, 23799316096, 35072676352, 41648803168, 47598632192, 83297606336, 95197264384, 166595212672, 333190425344, 666380850688]

約数ペア:

[(1, 666380850688), (2, 333190425344), (4, 166595212672), (7, 95197264384), (8, 83297606336), (14, 47598632192), (16, 41648803168), (19, 35072676352), (28, 23799316096), (32, 20824401584), (38, 17536338176), (56, 11899658048), (64, 10412200792), (76, 8768169088), (112, 5949829024), (128, 5206100396), (133, 5010382336), (152, 4384084544), (224, 2974914512), (256, 2603050198), (266, 2505191168), (304, 2192042272), (448, 1487457256), (512, 1301525099), (532, 1252595584), (608, 1096021136), (896, 743728628), (1064, 626297792), (1216, 548010568), (1792, 371864314), (2128, 313148896), (2432, 274005284), (3584, 185932157), (4256, 156574448), (4864, 137002642), (8512, 78287224), (9728, 68501321), (17024, 39143612), (34048, 19571806), (68096, 9785903)]