181908992

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 382749312

約数和(自身を除く): 200840320

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 128, 146, 157, 248, 256, 292, 314, 496, 512, 584, 628, 992, 1168, 1256, 1984, 2263, 2336, 2512, 3968, 4526, 4672, 4867, 5024, 7936, 9052, 9344, 9734, 10048, 11461, 15872, 18104, 18688, 19468, 20096, 22922, 36208, 37376, 38936, 40192, 45844, 72416, 77872, 80384, 91688, 144832, 155744, 183376, 289664, 311488, 355291, 366752, 579328, 622976, 710582, 733504, 1158656, 1245952, 1421164, 1467008, 2491904, 2842328, 2934016, 5684656, 5868032, 11369312, 22738624, 45477248, 90954496, 181908992]

約数ペア:

[(1, 181908992), (2, 90954496), (4, 45477248), (8, 22738624), (16, 11369312), (31, 5868032), (32, 5684656), (62, 2934016), (64, 2842328), (73, 2491904), (124, 1467008), (128, 1421164), (146, 1245952), (157, 1158656), (248, 733504), (256, 710582), (292, 622976), (314, 579328), (496, 366752), (512, 355291), (584, 311488), (628, 289664), (992, 183376), (1168, 155744), (1256, 144832), (1984, 91688), (2263, 80384), (2336, 77872), (2512, 72416), (3968, 45844), (4526, 40192), (4672, 38936), (4867, 37376), (5024, 36208), (7936, 22922), (9052, 20096), (9344, 19468), (9734, 18688), (10048, 18104), (11461, 15872)]