997650396

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1237}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 2587528944

約数和(自身を除く): 1589878548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 521, 774, 1042, 1237, 1548, 1563, 2084, 2474, 3126, 3711, 4689, 4948, 6252, 7422, 9378, 11133, 14844, 18756, 22266, 22403, 44532, 44806, 53191, 67209, 89612, 106382, 134418, 159573, 201627, 212764, 268836, 319146, 403254, 478719, 638292, 644477, 806508, 957438, 1288954, 1914876, 1933431, 2577908, 3866862, 5800293, 7733724, 11600586, 23201172, 27712511, 55425022, 83137533, 110850044, 166275066, 249412599, 332550132, 498825198, 997650396]

約数ペア:

[(1, 997650396), (2, 498825198), (3, 332550132), (4, 249412599), (6, 166275066), (9, 110850044), (12, 83137533), (18, 55425022), (36, 27712511), (43, 23201172), (86, 11600586), (129, 7733724), (172, 5800293), (258, 3866862), (387, 2577908), (516, 1933431), (521, 1914876), (774, 1288954), (1042, 957438), (1237, 806508), (1548, 644477), (1563, 638292), (2084, 478719), (2474, 403254), (3126, 319146), (3711, 268836), (4689, 212764), (4948, 201627), (6252, 159573), (7422, 134418), (9378, 106382), (11133, 89612), (14844, 67209), (18756, 53191), (22266, 44806), (22403, 44532)]