28312908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 74769408

約数和(自身を除く): 46456500

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 169, 276, 299, 338, 507, 598, 607, 676, 897, 1014, 1196, 1214, 1794, 1821, 2028, 2428, 3588, 3642, 3887, 7284, 7774, 7891, 11661, 13961, 15548, 15782, 23322, 23673, 27922, 31564, 41883, 46644, 47346, 55844, 83766, 94692, 102583, 167532, 181493, 205166, 307749, 362986, 410332, 544479, 615498, 725972, 1088958, 1230996, 2177916, 2359409, 4718818, 7078227, 9437636, 14156454, 28312908]

約数ペア:

[(1, 28312908), (2, 14156454), (3, 9437636), (4, 7078227), (6, 4718818), (12, 2359409), (13, 2177916), (23, 1230996), (26, 1088958), (39, 725972), (46, 615498), (52, 544479), (69, 410332), (78, 362986), (92, 307749), (138, 205166), (156, 181493), (169, 167532), (276, 102583), (299, 94692), (338, 83766), (507, 55844), (598, 47346), (607, 46644), (676, 41883), (897, 31564), (1014, 27922), (1196, 23673), (1214, 23322), (1794, 15782), (1821, 15548), (2028, 13961), (2428, 11661), (3588, 7891), (3642, 7774), (3887, 7284)]