228678443

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 287987616

約数和(自身を除く): 59309173

約数列:

[1, 7, 23, 41, 49, 101, 161, 287, 343, 707, 943, 1127, 2009, 2323, 2401, 4141, 4949, 6601, 7889, 14063, 16261, 28987, 34643, 46207, 55223, 95243, 98441, 113827, 202909, 242501, 323449, 666701, 796789, 1420363, 2264143, 4666907, 5577523, 9942541, 32668349, 228678443]

約数ペア:

[(1, 228678443), (7, 32668349), (23, 9942541), (41, 5577523), (49, 4666907), (101, 2264143), (161, 1420363), (287, 796789), (343, 666701), (707, 323449), (943, 242501), (1127, 202909), (2009, 113827), (2323, 98441), (2401, 95243), (4141, 55223), (4949, 46207), (6601, 34643), (7889, 28987), (14063, 16261)]