64657072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2237

約数の個数: 40

約数和(自身を含む): 131495552

約数和(自身を除く): 66838480

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 2137, 3782, 4274, 7564, 8548, 15128, 17096, 30256, 34192, 66247, 130357, 132494, 260714, 264988, 521428, 529976, 1042856, 1059952, 2085712, 4041067, 8082134, 16164268, 32328536, 64657072]

約数ペア:

[(1, 64657072), (2, 32328536), (4, 16164268), (8, 8082134), (16, 4041067), (31, 2085712), (61, 1059952), (62, 1042856), (122, 529976), (124, 521428), (244, 264988), (248, 260714), (488, 132494), (496, 130357), (976, 66247), (1891, 34192), (2137, 30256), (3782, 17096), (4274, 15128), (7564, 8548)]