201993154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 339189120

約数和(自身を除く): 137195966

約数列:

[1, 2, 11, 22, 71, 89, 142, 178, 781, 979, 1453, 1562, 1958, 2906, 6319, 12638, 15983, 31966, 69509, 103163, 129317, 139018, 206326, 258634, 1134793, 1422487, 2269586, 2844974, 9181507, 18363014, 100996577, 201993154]

約数ペア:

[(1, 201993154), (2, 100996577), (11, 18363014), (22, 9181507), (71, 2844974), (89, 2269586), (142, 1422487), (178, 1134793), (781, 258634), (979, 206326), (1453, 139018), (1562, 129317), (1958, 103163), (2906, 69509), (6319, 31966), (12638, 15983)]