1281533216

素因数分解:

$2^5\times {\mathrm{53}}^3\times {\mathrm{269}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 2581097400

約数和(自身を除く): 1299564184

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 269, 424, 538, 848, 1076, 1696, 2152, 2809, 4304, 5618, 8608, 11236, 14257, 22472, 28514, 44944, 57028, 89888, 114056, 148877, 228112, 297754, 456224, 595508, 755621, 1191016, 1511242, 2382032, 3022484, 4764064, 6044968, 12089936, 24179872, 40047913, 80095826, 160191652, 320383304, 640766608, 1281533216]

約数ペア:

[(1, 1281533216), (2, 640766608), (4, 320383304), (8, 160191652), (16, 80095826), (32, 40047913), (53, 24179872), (106, 12089936), (212, 6044968), (269, 4764064), (424, 3022484), (538, 2382032), (848, 1511242), (1076, 1191016), (1696, 755621), (2152, 595508), (2809, 456224), (4304, 297754), (5618, 228112), (8608, 148877), (11236, 114056), (14257, 89888), (22472, 57028), (28514, 44944)]