31358470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21929}}^1$

素因数の和:21960

約数の個数: 32

約数和(自身を含む): 66316320

約数和(自身を除く): 34957850

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21929, 43858, 109645, 219290, 241219, 285077, 482438, 570154, 1206095, 1425385, 2412190, 2850770, 3135847, 6271694, 15679235, 31358470]

約数ペア:

[(1, 31358470), (2, 15679235), (5, 6271694), (10, 3135847), (11, 2850770), (13, 2412190), (22, 1425385), (26, 1206095), (55, 570154), (65, 482438), (110, 285077), (130, 241219), (143, 219290), (286, 109645), (715, 43858), (1430, 21929)]