778889254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{7001}}^1$

素因数の和:7416

約数の個数: 32

約数和(自身を含む): 1376313120

約数和(自身を除く): 597423866

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 389, 778, 4279, 5057, 7001, 8558, 10114, 14002, 55627, 77011, 91013, 111254, 154022, 182026, 1001143, 2002286, 2723389, 5446778, 29957279, 35404057, 59914558, 70808114, 389444627, 778889254]

約数ペア:

[(1, 778889254), (2, 389444627), (11, 70808114), (13, 59914558), (22, 35404057), (26, 29957279), (143, 5446778), (286, 2723389), (389, 2002286), (778, 1001143), (4279, 182026), (5057, 154022), (7001, 111254), (8558, 91013), (10114, 77011), (14002, 55627)]