280993408

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 596185920

約数和(自身を除く): 315192512

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 263, 272, 491, 526, 544, 982, 1052, 1088, 1964, 2104, 2176, 3928, 4208, 4471, 7856, 8347, 8416, 8942, 15712, 16694, 16832, 17884, 31424, 33388, 33664, 35768, 62848, 66776, 71536, 129133, 133552, 143072, 258266, 267104, 286144, 516532, 534208, 572288, 1033064, 1068416, 2066128, 2195261, 4132256, 4390522, 8264512, 8781044, 16529024, 17562088, 35124176, 70248352, 140496704, 280993408]

約数ペア:

[(1, 280993408), (2, 140496704), (4, 70248352), (8, 35124176), (16, 17562088), (17, 16529024), (32, 8781044), (34, 8264512), (64, 4390522), (68, 4132256), (128, 2195261), (136, 2066128), (263, 1068416), (272, 1033064), (491, 572288), (526, 534208), (544, 516532), (982, 286144), (1052, 267104), (1088, 258266), (1964, 143072), (2104, 133552), (2176, 129133), (3928, 71536), (4208, 66776), (4471, 62848), (7856, 35768), (8347, 33664), (8416, 33388), (8942, 31424), (15712, 17884), (16694, 16832)]