638807614

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 990519552

約数和(自身を除く): 351711938

約数列:

[1, 2, 67, 131, 134, 151, 241, 262, 302, 482, 8777, 10117, 16147, 17554, 19781, 20234, 31571, 32294, 36391, 39562, 63142, 72782, 1325327, 2115257, 2438197, 2650654, 4230514, 4767221, 4876394, 9534442, 319403807, 638807614]

約数ペア:

[(1, 638807614), (2, 319403807), (67, 9534442), (131, 4876394), (134, 4767221), (151, 4230514), (241, 2650654), (262, 2438197), (302, 2115257), (482, 1325327), (8777, 72782), (10117, 63142), (16147, 39562), (17554, 36391), (19781, 32294), (20234, 31571)]