198578994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 437391360

約数和(自身を除く): 238812366

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 83, 93, 114, 166, 186, 249, 498, 589, 677, 1178, 1354, 1577, 1767, 2031, 2573, 3154, 3534, 4062, 4731, 5146, 7719, 9462, 12863, 15438, 20987, 25726, 38589, 41974, 48887, 56191, 62961, 77178, 97774, 112382, 125922, 146661, 168573, 293322, 337146, 398753, 797506, 1067629, 1196259, 1741921, 2135258, 2392518, 3202887, 3483842, 5225763, 6405774, 10451526, 33096499, 66192998, 99289497, 198578994]

約数ペア:

[(1, 198578994), (2, 99289497), (3, 66192998), (6, 33096499), (19, 10451526), (31, 6405774), (38, 5225763), (57, 3483842), (62, 3202887), (83, 2392518), (93, 2135258), (114, 1741921), (166, 1196259), (186, 1067629), (249, 797506), (498, 398753), (589, 337146), (677, 293322), (1178, 168573), (1354, 146661), (1577, 125922), (1767, 112382), (2031, 97774), (2573, 77178), (3154, 62961), (3534, 56191), (4062, 48887), (4731, 41974), (5146, 38589), (7719, 25726), (9462, 20987), (12863, 15438)]