821305984

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{2281}}^1$

素因数の和:2421

約数の個数: 64

約数和(自身を含む): 1710815400

約数和(自身を除く): 889509416

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 97, 116, 128, 194, 232, 388, 464, 776, 928, 1552, 1856, 2281, 2813, 3104, 3712, 4562, 5626, 6208, 9124, 11252, 12416, 18248, 22504, 36496, 45008, 66149, 72992, 90016, 132298, 145984, 180032, 221257, 264596, 291968, 360064, 442514, 529192, 885028, 1058384, 1770056, 2116768, 3540112, 4233536, 6416453, 7080224, 8467072, 12832906, 14160448, 25665812, 28320896, 51331624, 102663248, 205326496, 410652992, 821305984]

約数ペア:

[(1, 821305984), (2, 410652992), (4, 205326496), (8, 102663248), (16, 51331624), (29, 28320896), (32, 25665812), (58, 14160448), (64, 12832906), (97, 8467072), (116, 7080224), (128, 6416453), (194, 4233536), (232, 3540112), (388, 2116768), (464, 1770056), (776, 1058384), (928, 885028), (1552, 529192), (1856, 442514), (2281, 360064), (2813, 291968), (3104, 264596), (3712, 221257), (4562, 180032), (5626, 145984), (6208, 132298), (9124, 90016), (11252, 72992), (12416, 66149), (18248, 45008), (22504, 36496)]