221292128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2591}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 464413824

約数和(自身を除く): 243121696

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 1256, 2512, 2591, 2669, 5024, 5182, 5338, 10364, 10676, 20728, 21352, 41456, 42704, 44047, 82912, 85408, 88094, 176188, 352376, 406787, 704752, 813574, 1409504, 1627148, 3254296, 6508592, 6915379, 13017184, 13830758, 27661516, 55323032, 110646064, 221292128]

約数ペア:

[(1, 221292128), (2, 110646064), (4, 55323032), (8, 27661516), (16, 13830758), (17, 13017184), (32, 6915379), (34, 6508592), (68, 3254296), (136, 1627148), (157, 1409504), (272, 813574), (314, 704752), (544, 406787), (628, 352376), (1256, 176188), (2512, 88094), (2591, 85408), (2669, 82912), (5024, 44047), (5182, 42704), (5338, 41456), (10364, 21352), (10676, 20728)]