161029376

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 336720384

約数和(自身を除く): 175691008

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 103, 124, 128, 197, 206, 248, 256, 394, 412, 496, 788, 824, 992, 1576, 1648, 1984, 3152, 3193, 3296, 3968, 6107, 6304, 6386, 6592, 7936, 12214, 12608, 12772, 13184, 20291, 24428, 25216, 25544, 26368, 40582, 48856, 50432, 51088, 81164, 97712, 102176, 162328, 195424, 204352, 324656, 390848, 408704, 629021, 649312, 781696, 817408, 1258042, 1298624, 1563392, 2516084, 2597248, 5032168, 5194496, 10064336, 20128672, 40257344, 80514688, 161029376]

約数ペア:

[(1, 161029376), (2, 80514688), (4, 40257344), (8, 20128672), (16, 10064336), (31, 5194496), (32, 5032168), (62, 2597248), (64, 2516084), (103, 1563392), (124, 1298624), (128, 1258042), (197, 817408), (206, 781696), (248, 649312), (256, 629021), (394, 408704), (412, 390848), (496, 324656), (788, 204352), (824, 195424), (992, 162328), (1576, 102176), (1648, 97712), (1984, 81164), (3152, 51088), (3193, 50432), (3296, 48856), (3968, 40582), (6107, 26368), (6304, 25544), (6386, 25216), (6592, 24428), (7936, 20291), (12214, 13184), (12608, 12772)]