25572404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 55954080

約数和(自身を除く): 30381676

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 169, 181, 209, 247, 286, 338, 362, 418, 494, 572, 676, 724, 836, 988, 1859, 1991, 2353, 2717, 3211, 3439, 3718, 3982, 4706, 5434, 6422, 6878, 7436, 7964, 9412, 10868, 12844, 13756, 25883, 30589, 35321, 37829, 44707, 51766, 61178, 70642, 75658, 89414, 103532, 122356, 141284, 151316, 178828, 336479, 491777, 581191, 672958, 983554, 1162382, 1345916, 1967108, 2324764, 6393101, 12786202, 25572404]

約数ペア:

[(1, 25572404), (2, 12786202), (4, 6393101), (11, 2324764), (13, 1967108), (19, 1345916), (22, 1162382), (26, 983554), (38, 672958), (44, 581191), (52, 491777), (76, 336479), (143, 178828), (169, 151316), (181, 141284), (209, 122356), (247, 103532), (286, 89414), (338, 75658), (362, 70642), (418, 61178), (494, 51766), (572, 44707), (676, 37829), (724, 35321), (836, 30589), (988, 25883), (1859, 13756), (1991, 12844), (2353, 10868), (2717, 9412), (3211, 7964), (3439, 7436), (3718, 6878), (3982, 6422), (4706, 5434)]