71706817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 94438400

約数和(自身を除く): 22731583

約数列:

[1, 7, 13, 19, 67, 91, 133, 247, 469, 619, 871, 1273, 1729, 4333, 6097, 8047, 8911, 11761, 16549, 41473, 56329, 82327, 115843, 152893, 290311, 539149, 787987, 1070251, 3774043, 5515909, 10243831, 71706817]

約数ペア:

[(1, 71706817), (7, 10243831), (13, 5515909), (19, 3774043), (67, 1070251), (91, 787987), (133, 539149), (247, 290311), (469, 152893), (619, 115843), (871, 82327), (1273, 56329), (1729, 41473), (4333, 16549), (6097, 11761), (8047, 8911)]