163842688

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 340369920

約数和(自身を除く): 176527232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 157, 248, 263, 314, 496, 526, 628, 992, 1052, 1256, 1984, 2104, 2512, 3968, 4208, 4867, 5024, 8153, 8416, 9734, 10048, 16306, 16832, 19468, 20096, 32612, 33664, 38936, 41291, 65224, 77872, 82582, 130448, 155744, 165164, 260896, 311488, 330328, 521792, 622976, 660656, 1043584, 1280021, 1321312, 2560042, 2642624, 5120084, 5285248, 10240168, 20480336, 40960672, 81921344, 163842688]

約数ペア:

[(1, 163842688), (2, 81921344), (4, 40960672), (8, 20480336), (16, 10240168), (31, 5285248), (32, 5120084), (62, 2642624), (64, 2560042), (124, 1321312), (128, 1280021), (157, 1043584), (248, 660656), (263, 622976), (314, 521792), (496, 330328), (526, 311488), (628, 260896), (992, 165164), (1052, 155744), (1256, 130448), (1984, 82582), (2104, 77872), (2512, 65224), (3968, 41291), (4208, 38936), (4867, 33664), (5024, 32612), (8153, 20096), (8416, 19468), (9734, 16832), (10048, 16306)]