139020988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 260909824

約数和(自身を除く): 121888836

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 157, 193, 314, 386, 628, 772, 1147, 2294, 4588, 4867, 5809, 5983, 7141, 9734, 11618, 11966, 14282, 19468, 23236, 23932, 28564, 30301, 60602, 121204, 180079, 221371, 360158, 442742, 720316, 885484, 939331, 1121137, 1878662, 2242274, 3757324, 4484548, 34755247, 69510494, 139020988]

約数ペア:

[(1, 139020988), (2, 69510494), (4, 34755247), (31, 4484548), (37, 3757324), (62, 2242274), (74, 1878662), (124, 1121137), (148, 939331), (157, 885484), (193, 720316), (314, 442742), (386, 360158), (628, 221371), (772, 180079), (1147, 121204), (2294, 60602), (4588, 30301), (4867, 28564), (5809, 23932), (5983, 23236), (7141, 19468), (9734, 14282), (11618, 11966)]