278314208

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{8387}}^1$

素因数の和:8475

約数の個数: 48

約数和(自身を含む): 589743504

約数和(自身を除く): 311429296

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 976, 1037, 1952, 2074, 4148, 8296, 8387, 16592, 16774, 33184, 33548, 67096, 134192, 142579, 268384, 285158, 511607, 570316, 1023214, 1140632, 2046428, 2281264, 4092856, 4562528, 8185712, 8697319, 16371424, 17394638, 34789276, 69578552, 139157104, 278314208]

約数ペア:

[(1, 278314208), (2, 139157104), (4, 69578552), (8, 34789276), (16, 17394638), (17, 16371424), (32, 8697319), (34, 8185712), (61, 4562528), (68, 4092856), (122, 2281264), (136, 2046428), (244, 1140632), (272, 1023214), (488, 570316), (544, 511607), (976, 285158), (1037, 268384), (1952, 142579), (2074, 134192), (4148, 67096), (8296, 33548), (8387, 33184), (16592, 16774)]