247911235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3181}}^1$

素因数の和:3319

約数の個数: 32

約数和(自身を含む): 352820160

約数和(自身を除く): 104908925

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 545, 715, 1199, 1417, 3181, 5995, 7085, 15587, 15905, 34991, 41353, 77935, 174955, 206765, 346729, 454883, 1733645, 2274415, 3814019, 4507477, 19070095, 22537385, 49582247, 247911235]

約数ペア:

[(1, 247911235), (5, 49582247), (11, 22537385), (13, 19070095), (55, 4507477), (65, 3814019), (109, 2274415), (143, 1733645), (545, 454883), (715, 346729), (1199, 206765), (1417, 174955), (3181, 77935), (5995, 41353), (7085, 34991), (15587, 15905)]