28377790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7649}}^1$

素因数の和:7716

約数の個数: 32

約数和(自身を含む): 59486400

約数和(自身を除く): 31108610

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 7649, 15298, 38245, 53543, 76490, 107086, 267715, 405397, 535430, 810794, 2026985, 2837779, 4053970, 5675558, 14188895, 28377790]

約数ペア:

[(1, 28377790), (2, 14188895), (5, 5675558), (7, 4053970), (10, 2837779), (14, 2026985), (35, 810794), (53, 535430), (70, 405397), (106, 267715), (265, 107086), (371, 76490), (530, 53543), (742, 38245), (1855, 15298), (3710, 7649)]