428463805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1123}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 642244608

約数和(自身を除く): 213780803

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 991, 1123, 4955, 5615, 6937, 7861, 10901, 12353, 34685, 39305, 54505, 61765, 76307, 86471, 381535, 432355, 1112893, 5564465, 7790251, 12241823, 38951255, 61209115, 85692761, 428463805]

約数ペア:

[(1, 428463805), (5, 85692761), (7, 61209115), (11, 38951255), (35, 12241823), (55, 7790251), (77, 5564465), (385, 1112893), (991, 432355), (1123, 381535), (4955, 86471), (5615, 76307), (6937, 61765), (7861, 54505), (10901, 39305), (12353, 34685)]