7939230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20357}}^1$

素因数の和:20380

約数の個数: 32

約数和(自身を含む): 20520864

約数和(自身を除く): 12581634

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20357, 40714, 61071, 101785, 122142, 203570, 264641, 305355, 529282, 610710, 793923, 1323205, 1587846, 2646410, 3969615, 7939230]

約数ペア:

[(1, 7939230), (2, 3969615), (3, 2646410), (5, 1587846), (6, 1323205), (10, 793923), (13, 610710), (15, 529282), (26, 305355), (30, 264641), (39, 203570), (65, 122142), (78, 101785), (130, 61071), (195, 40714), (390, 20357)]