320437168

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{613}}^1\times {\mathrm{883}}^1$

素因数の和:1541

約数の個数: 40

約数和(自身を含む): 639390128

約数和(自身を除く): 318952960

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 613, 883, 1226, 1766, 2452, 3532, 4904, 7064, 9808, 14128, 22681, 32671, 45362, 65342, 90724, 130684, 181448, 261368, 362896, 522736, 541279, 1082558, 2165116, 4330232, 8660464, 20027323, 40054646, 80109292, 160218584, 320437168]

約数ペア:

[(1, 320437168), (2, 160218584), (4, 80109292), (8, 40054646), (16, 20027323), (37, 8660464), (74, 4330232), (148, 2165116), (296, 1082558), (592, 541279), (613, 522736), (883, 362896), (1226, 261368), (1766, 181448), (2452, 130684), (3532, 90724), (4904, 65342), (7064, 45362), (9808, 32671), (14128, 22681)]