286876345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{673}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 415399680

約数和(自身を除く): 128523335

約数列:

[1, 5, 7, 19, 35, 95, 133, 641, 665, 673, 3205, 3365, 4487, 4711, 12179, 12787, 22435, 23555, 60895, 63935, 85253, 89509, 426265, 431393, 447545, 2156965, 3019751, 8196467, 15098755, 40982335, 57375269, 286876345]

約数ペア:

[(1, 286876345), (5, 57375269), (7, 40982335), (19, 15098755), (35, 8196467), (95, 3019751), (133, 2156965), (641, 447545), (665, 431393), (673, 426265), (3205, 89509), (3365, 85253), (4487, 63935), (4711, 60895), (12179, 23555), (12787, 22435)]