319581812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{787}}^1\times {\mathrm{839}}^1$

素因数の和:1652

約数の個数: 36

約数和(自身を含む): 616247520

約数和(自身を除く): 296665708

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 787, 839, 1574, 1678, 3148, 3356, 8657, 9229, 17314, 18458, 34628, 36916, 95227, 101519, 190454, 203038, 380908, 406076, 660293, 1320586, 2641172, 7263223, 14526446, 29052892, 79895453, 159790906, 319581812]

約数ペア:

[(1, 319581812), (2, 159790906), (4, 79895453), (11, 29052892), (22, 14526446), (44, 7263223), (121, 2641172), (242, 1320586), (484, 660293), (787, 406076), (839, 380908), (1574, 203038), (1678, 190454), (3148, 101519), (3356, 95227), (8657, 36916), (9229, 34628), (17314, 18458)]