820920318

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{6079}}^1$

素因数の和:6472

約数の個数: 32

約数和(自身を含む): 1670492160

約数和(自身を除く): 849571842

約数列:

[1, 2, 3, 6, 71, 142, 213, 317, 426, 634, 951, 1902, 6079, 12158, 18237, 22507, 36474, 45014, 67521, 135042, 431609, 863218, 1294827, 1927043, 2589654, 3854086, 5781129, 11562258, 136820053, 273640106, 410460159, 820920318]

約数ペア:

[(1, 820920318), (2, 410460159), (3, 273640106), (6, 136820053), (71, 11562258), (142, 5781129), (213, 3854086), (317, 2589654), (426, 1927043), (634, 1294827), (951, 863218), (1902, 431609), (6079, 135042), (12158, 67521), (18237, 45014), (22507, 36474)]