27981382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 49641984

約数和(自身を除く): 21660602

約数列:

[1, 2, 11, 13, 22, 26, 143, 227, 286, 431, 454, 862, 2497, 2951, 4741, 4994, 5603, 5902, 9482, 11206, 32461, 61633, 64922, 97837, 123266, 195674, 1076207, 1271881, 2152414, 2543762, 13990691, 27981382]

約数ペア:

[(1, 27981382), (2, 13990691), (11, 2543762), (13, 2152414), (22, 1271881), (26, 1076207), (143, 195674), (227, 123266), (286, 97837), (431, 64922), (454, 61633), (862, 32461), (2497, 11206), (2951, 9482), (4741, 5902), (4994, 5603)]