28987252502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{38393}}^1$

素因数の和:38888

約数の個数: 32

約数和(自身を含む): 47602416960

約数和(自身を除く): 18615164458

約数列:

[1, 2, 13, 26, 71, 142, 409, 818, 923, 1846, 5317, 10634, 29039, 38393, 58078, 76786, 377507, 499109, 755014, 998218, 2725903, 5451806, 15702737, 31405474, 35436739, 70873478, 204135581, 408271162, 1114894327, 2229788654, 14493626251, 28987252502]

約数ペア:

[(1, 28987252502), (2, 14493626251), (13, 2229788654), (26, 1114894327), (71, 408271162), (142, 204135581), (409, 70873478), (818, 35436739), (923, 31405474), (1846, 15702737), (5317, 5451806), (10634, 2725903), (29039, 998218), (38393, 755014), (58078, 499109), (76786, 377507)]