664371344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2389}}^1$

素因数の和:2608

約数の個数: 80

約数和(自身を含む): 1593231360

約数和(自身を除く): 928860016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 191, 208, 364, 382, 728, 764, 1337, 1456, 1528, 2389, 2483, 2674, 3056, 4778, 4966, 5348, 9556, 9932, 10696, 16723, 17381, 19112, 19864, 21392, 31057, 33446, 34762, 38224, 39728, 62114, 66892, 69524, 124228, 133784, 139048, 217399, 248456, 267568, 278096, 434798, 456299, 496912, 869596, 912598, 1739192, 1825196, 3194093, 3478384, 3650392, 5931887, 6388186, 7300784, 11863774, 12776372, 23727548, 25552744, 41523209, 47455096, 51105488, 83046418, 94910192, 166092836, 332185672, 664371344]

約数ペア:

[(1, 664371344), (2, 332185672), (4, 166092836), (7, 94910192), (8, 83046418), (13, 51105488), (14, 47455096), (16, 41523209), (26, 25552744), (28, 23727548), (52, 12776372), (56, 11863774), (91, 7300784), (104, 6388186), (112, 5931887), (182, 3650392), (191, 3478384), (208, 3194093), (364, 1825196), (382, 1739192), (728, 912598), (764, 869596), (1337, 496912), (1456, 456299), (1528, 434798), (2389, 278096), (2483, 267568), (2674, 248456), (3056, 217399), (4778, 139048), (4966, 133784), (5348, 124228), (9556, 69524), (9932, 66892), (10696, 62114), (16723, 39728), (17381, 38224), (19112, 34762), (19864, 33446), (21392, 31057)]