199991168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3877}}^1$

素因数の和:3935

約数の個数: 64

約数和(自身を含む): 443022720

約数和(自身を除く): 243031552

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3877, 3968, 6448, 7754, 12896, 15508, 25792, 31016, 50401, 51584, 62032, 100802, 120187, 124064, 201604, 240374, 248128, 403208, 480748, 496256, 806416, 961496, 1562431, 1612832, 1922992, 3124862, 3225664, 3845984, 6249724, 6451328, 7691968, 12499448, 15383936, 24998896, 49997792, 99995584, 199991168]

約数ペア:

[(1, 199991168), (2, 99995584), (4, 49997792), (8, 24998896), (13, 15383936), (16, 12499448), (26, 7691968), (31, 6451328), (32, 6249724), (52, 3845984), (62, 3225664), (64, 3124862), (104, 1922992), (124, 1612832), (128, 1562431), (208, 961496), (248, 806416), (403, 496256), (416, 480748), (496, 403208), (806, 248128), (832, 240374), (992, 201604), (1612, 124064), (1664, 120187), (1984, 100802), (3224, 62032), (3877, 51584), (3968, 50401), (6448, 31016), (7754, 25792), (12896, 15508)]