31007012

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 58087260

約数和(自身を除く): 27080248

約数列:

[1, 2, 4, 19, 38, 76, 109, 197, 218, 361, 394, 436, 722, 788, 1444, 2071, 3743, 4142, 7486, 8284, 14972, 21473, 39349, 42946, 71117, 78698, 85892, 142234, 157396, 284468, 407987, 815974, 1631948, 7751753, 15503506, 31007012]

約数ペア:

[(1, 31007012), (2, 15503506), (4, 7751753), (19, 1631948), (38, 815974), (76, 407987), (109, 284468), (197, 157396), (218, 142234), (361, 85892), (394, 78698), (436, 71117), (722, 42946), (788, 39349), (1444, 21473), (2071, 14972), (3743, 8284), (4142, 7486)]