123042784

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1289}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 256813200

約数和(自身を除く): 133770416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 157, 304, 314, 608, 628, 1256, 1289, 2512, 2578, 2983, 5024, 5156, 5966, 10312, 11932, 20624, 23864, 24491, 41248, 47728, 48982, 95456, 97964, 195928, 202373, 391856, 404746, 783712, 809492, 1618984, 3237968, 3845087, 6475936, 7690174, 15380348, 30760696, 61521392, 123042784]

約数ペア:

[(1, 123042784), (2, 61521392), (4, 30760696), (8, 15380348), (16, 7690174), (19, 6475936), (32, 3845087), (38, 3237968), (76, 1618984), (152, 809492), (157, 783712), (304, 404746), (314, 391856), (608, 202373), (628, 195928), (1256, 97964), (1289, 95456), (2512, 48982), (2578, 47728), (2983, 41248), (5024, 24491), (5156, 23864), (5966, 20624), (10312, 11932)]