1388967036

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1630243}}^1$

素因数の和:1630321

約数の個数: 24

約数和(自身を含む): 3286571904

約数和(自身を除く): 1897604868

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 1630243, 3260486, 4890729, 6520972, 9781458, 19562916, 115747253, 231494506, 347241759, 462989012, 694483518, 1388967036]

約数ペア:

[(1, 1388967036), (2, 694483518), (3, 462989012), (4, 347241759), (6, 231494506), (12, 115747253), (71, 19562916), (142, 9781458), (213, 6520972), (284, 4890729), (426, 3260486), (852, 1630243)]