256198976

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21407}}^1$

素因数の和:21447

約数の個数: 56

約数和(自身を含む): 587264256

約数和(自身を除く): 331065280

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 2992, 5984, 11968, 21407, 42814, 85628, 171256, 235477, 342512, 363919, 470954, 685024, 727838, 941908, 1370048, 1455676, 1883816, 2911352, 3767632, 4003109, 5822704, 7535264, 8006218, 11645408, 15070528, 16012436, 23290816, 32024872, 64049744, 128099488, 256198976]

約数ペア:

[(1, 256198976), (2, 128099488), (4, 64049744), (8, 32024872), (11, 23290816), (16, 16012436), (17, 15070528), (22, 11645408), (32, 8006218), (34, 7535264), (44, 5822704), (64, 4003109), (68, 3767632), (88, 2911352), (136, 1883816), (176, 1455676), (187, 1370048), (272, 941908), (352, 727838), (374, 685024), (544, 470954), (704, 363919), (748, 342512), (1088, 235477), (1496, 171256), (2992, 85628), (5984, 42814), (11968, 21407)]