28101248

素因数分解:

$2^7\times 7^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 64953600

約数和(自身を除く): 36852352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 316, 397, 448, 553, 632, 794, 896, 1106, 1264, 1588, 2212, 2528, 2779, 3176, 4424, 5056, 5558, 6352, 8848, 10112, 11116, 12704, 17696, 22232, 25408, 31363, 35392, 44464, 50816, 62726, 70784, 88928, 125452, 177856, 219541, 250904, 355712, 439082, 501808, 878164, 1003616, 1756328, 2007232, 3512656, 4014464, 7025312, 14050624, 28101248]

約数ペア:

[(1, 28101248), (2, 14050624), (4, 7025312), (7, 4014464), (8, 3512656), (14, 2007232), (16, 1756328), (28, 1003616), (32, 878164), (56, 501808), (64, 439082), (79, 355712), (112, 250904), (128, 219541), (158, 177856), (224, 125452), (316, 88928), (397, 70784), (448, 62726), (553, 50816), (632, 44464), (794, 35392), (896, 31363), (1106, 25408), (1264, 22232), (1588, 17696), (2212, 12704), (2528, 11116), (2779, 10112), (3176, 8848), (4424, 6352), (5056, 5558)]