2156157056

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{990881}}^1$

素因数の和:990912

約数の個数: 32

約数和(自身を含む): 4548148380

約数和(自身を除く): 2391991324

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 990881, 1981762, 3963524, 7927048, 15854096, 16844977, 31708192, 33689954, 63416384, 67379908, 126832768, 134759816, 269519632, 539039264, 1078078528, 2156157056]

約数ペア:

[(1, 2156157056), (2, 1078078528), (4, 539039264), (8, 269519632), (16, 134759816), (17, 126832768), (32, 67379908), (34, 63416384), (64, 33689954), (68, 31708192), (128, 16844977), (136, 15854096), (272, 7927048), (544, 3963524), (1088, 1981762), (2176, 990881)]