1520197406

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3691}}^1$

素因数の和:3817

約数の個数: 64

約数和(自身を含む): 2937532416

約数和(自身を除く): 1417335010

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 73, 91, 146, 182, 217, 403, 434, 511, 806, 949, 1022, 1898, 2263, 2821, 3691, 4526, 5642, 6643, 7382, 13286, 15841, 25837, 29419, 31682, 47983, 51674, 58838, 95966, 114421, 205933, 228842, 269443, 335881, 411866, 538886, 671762, 800947, 1487473, 1601894, 1886101, 2974946, 3502759, 3772202, 7005518, 8352733, 10412311, 16705466, 20824622, 24519313, 49038626, 58469131, 108585529, 116938262, 217171058, 760098703, 1520197406]

約数ペア:

[(1, 1520197406), (2, 760098703), (7, 217171058), (13, 116938262), (14, 108585529), (26, 58469131), (31, 49038626), (62, 24519313), (73, 20824622), (91, 16705466), (146, 10412311), (182, 8352733), (217, 7005518), (403, 3772202), (434, 3502759), (511, 2974946), (806, 1886101), (949, 1601894), (1022, 1487473), (1898, 800947), (2263, 671762), (2821, 538886), (3691, 411866), (4526, 335881), (5642, 269443), (6643, 228842), (7382, 205933), (13286, 114421), (15841, 95966), (25837, 58838), (29419, 51674), (31682, 47983)]