78701810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8039}}^1$

素因数の和:8146

約数の個数: 32

約数和(自身を含む): 156297600

約数和(自身を除く): 77595790

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 8039, 9790, 16078, 40195, 80390, 88429, 176858, 442145, 715471, 884290, 1430942, 3577355, 7154710, 7870181, 15740362, 39350905, 78701810]

約数ペア:

[(1, 78701810), (2, 39350905), (5, 15740362), (10, 7870181), (11, 7154710), (22, 3577355), (55, 1430942), (89, 884290), (110, 715471), (178, 442145), (445, 176858), (890, 88429), (979, 80390), (1958, 40195), (4895, 16078), (8039, 9790)]