2972515

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 4515840

約数和(自身を除く): 1543325

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 139, 235, 329, 455, 611, 695, 973, 1645, 1807, 3055, 4277, 4865, 6533, 9035, 12649, 21385, 32665, 45731, 63245, 84929, 228655, 424645, 594503, 2972515]

約数ペア:

[(1, 2972515), (5, 594503), (7, 424645), (13, 228655), (35, 84929), (47, 63245), (65, 45731), (91, 32665), (139, 21385), (235, 12649), (329, 9035), (455, 6533), (611, 4865), (695, 4277), (973, 3055), (1645, 1807)]