84990016

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 56

約数和(自身を含む): 175016160

約数和(自身を除く): 90026144

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 172, 178, 344, 347, 356, 688, 694, 712, 1376, 1388, 1424, 2752, 2776, 2848, 3827, 5552, 5696, 7654, 11104, 14921, 15308, 22208, 29842, 30616, 30883, 59684, 61232, 61766, 119368, 122464, 123532, 238736, 244928, 247064, 477472, 494128, 954944, 988256, 1327969, 1976512, 2655938, 5311876, 10623752, 21247504, 42495008, 84990016]

約数ペア:

[(1, 84990016), (2, 42495008), (4, 21247504), (8, 10623752), (16, 5311876), (32, 2655938), (43, 1976512), (64, 1327969), (86, 988256), (89, 954944), (172, 494128), (178, 477472), (344, 247064), (347, 244928), (356, 238736), (688, 123532), (694, 122464), (712, 119368), (1376, 61766), (1388, 61232), (1424, 59684), (2752, 30883), (2776, 30616), (2848, 29842), (3827, 22208), (5552, 15308), (5696, 14921), (7654, 11104)]