199979992

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{509}}^1\times {\mathrm{733}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 381826800

約数和(自身を除く): 181846808

約数列:

[1, 2, 4, 8, 67, 134, 268, 509, 536, 733, 1018, 1466, 2036, 2932, 4072, 5864, 34103, 49111, 68206, 98222, 136412, 196444, 272824, 373097, 392888, 746194, 1492388, 2984776, 24997499, 49994998, 99989996, 199979992]

約数ペア:

[(1, 199979992), (2, 99989996), (4, 49994998), (8, 24997499), (67, 2984776), (134, 1492388), (268, 746194), (509, 392888), (536, 373097), (733, 272824), (1018, 196444), (1466, 136412), (2036, 98222), (2932, 68206), (4072, 49111), (5864, 34103)]