641038088

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{20353}}^1$

素因数の和:20517

約数の個数: 32

約数和(自身を含む): 1250549760

約数和(自身を除く): 609511672

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 3937, 7874, 15748, 20353, 31496, 40706, 81412, 162824, 630943, 1261886, 2523772, 2584831, 5047544, 5169662, 10339324, 20678648, 80129761, 160259522, 320519044, 641038088]

約数ペア:

[(1, 641038088), (2, 320519044), (4, 160259522), (8, 80129761), (31, 20678648), (62, 10339324), (124, 5169662), (127, 5047544), (248, 2584831), (254, 2523772), (508, 1261886), (1016, 630943), (3937, 162824), (7874, 81412), (15748, 40706), (20353, 31496)]