27980944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{28669}}^1$

素因数の和:28738

約数の個数: 20

約数和(自身を含む): 55103740

約数和(自身を除く): 27122796

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 28669, 57338, 114676, 229352, 458704, 1748809, 3497618, 6995236, 13990472, 27980944]

約数ペア:

[(1, 27980944), (2, 13990472), (4, 6995236), (8, 3497618), (16, 1748809), (61, 458704), (122, 229352), (244, 114676), (488, 57338), (976, 28669)]