404052016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{1291}}^1$

素因数の和:1961

約数の個数: 40

約数和(自身を含む): 810011648

約数和(自身を除く): 405959632

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 631, 1262, 1291, 2524, 2582, 5048, 5164, 10096, 10328, 19561, 20656, 39122, 40021, 78244, 80042, 156488, 160084, 312976, 320168, 640336, 814621, 1629242, 3258484, 6516968, 13033936, 25253251, 50506502, 101013004, 202026008, 404052016]

約数ペア:

[(1, 404052016), (2, 202026008), (4, 101013004), (8, 50506502), (16, 25253251), (31, 13033936), (62, 6516968), (124, 3258484), (248, 1629242), (496, 814621), (631, 640336), (1262, 320168), (1291, 312976), (2524, 160084), (2582, 156488), (5048, 80042), (5164, 78244), (10096, 40021), (10328, 39122), (19561, 20656)]