161719808

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 80

約数和(自身を含む): 348834816

約数和(自身を除く): 187115008

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 443, 496, 512, 713, 736, 886, 992, 1426, 1472, 1772, 1984, 2852, 2944, 3544, 3968, 5704, 5888, 7088, 7936, 10189, 11408, 11776, 13733, 14176, 15872, 20378, 22816, 27466, 28352, 40756, 45632, 54932, 56704, 81512, 91264, 109864, 113408, 163024, 182528, 219728, 226816, 315859, 326048, 365056, 439456, 631718, 652096, 878912, 1263436, 1304192, 1757824, 2526872, 2608384, 3515648, 5053744, 5216768, 7031296, 10107488, 20214976, 40429952, 80859904, 161719808]

約数ペア:

[(1, 161719808), (2, 80859904), (4, 40429952), (8, 20214976), (16, 10107488), (23, 7031296), (31, 5216768), (32, 5053744), (46, 3515648), (62, 2608384), (64, 2526872), (92, 1757824), (124, 1304192), (128, 1263436), (184, 878912), (248, 652096), (256, 631718), (368, 439456), (443, 365056), (496, 326048), (512, 315859), (713, 226816), (736, 219728), (886, 182528), (992, 163024), (1426, 113408), (1472, 109864), (1772, 91264), (1984, 81512), (2852, 56704), (2944, 54932), (3544, 45632), (3968, 40756), (5704, 28352), (5888, 27466), (7088, 22816), (7936, 20378), (10189, 15872), (11408, 14176), (11776, 13733)]