211265860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3851}}^1$

素因数の和:4084

約数の個数: 48

約数和(自身を含む): 480174912

約数和(自身を除く): 268909052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 3851, 4220, 5486, 7702, 10972, 13715, 15404, 19255, 27430, 38510, 50063, 54860, 77020, 100126, 200252, 250315, 500630, 812561, 1001260, 1625122, 3250244, 4062805, 8125610, 10563293, 16251220, 21126586, 42253172, 52816465, 105632930, 211265860]

約数ペア:

[(1, 211265860), (2, 105632930), (4, 52816465), (5, 42253172), (10, 21126586), (13, 16251220), (20, 10563293), (26, 8125610), (52, 4062805), (65, 3250244), (130, 1625122), (211, 1001260), (260, 812561), (422, 500630), (844, 250315), (1055, 200252), (2110, 100126), (2743, 77020), (3851, 54860), (4220, 50063), (5486, 38510), (7702, 27430), (10972, 19255), (13715, 15404)]