391937328

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 1123499520

約数和(自身を除く): 731562192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 131, 144, 158, 237, 262, 263, 316, 393, 474, 524, 526, 632, 711, 786, 789, 948, 1048, 1052, 1179, 1264, 1422, 1572, 1578, 1896, 2096, 2104, 2358, 2367, 2844, 3144, 3156, 3792, 4208, 4716, 4734, 5688, 6288, 6312, 9432, 9468, 10349, 11376, 12624, 18864, 18936, 20698, 20777, 31047, 34453, 37872, 41396, 41554, 62094, 62331, 68906, 82792, 83108, 93141, 103359, 124188, 124662, 137812, 165584, 166216, 186282, 186993, 206718, 248376, 249324, 275624, 310077, 332432, 372564, 373986, 413436, 496752, 498648, 551248, 620154, 745128, 747972, 826872, 997296, 1240308, 1490256, 1495944, 1653744, 2480616, 2721787, 2991888, 4961232, 5443574, 8165361, 10887148, 16330722, 21774296, 24496083, 32661444, 43548592, 48992166, 65322888, 97984332, 130645776, 195968664, 391937328]

約数ペア:

[(1, 391937328), (2, 195968664), (3, 130645776), (4, 97984332), (6, 65322888), (8, 48992166), (9, 43548592), (12, 32661444), (16, 24496083), (18, 21774296), (24, 16330722), (36, 10887148), (48, 8165361), (72, 5443574), (79, 4961232), (131, 2991888), (144, 2721787), (158, 2480616), (237, 1653744), (262, 1495944), (263, 1490256), (316, 1240308), (393, 997296), (474, 826872), (524, 747972), (526, 745128), (632, 620154), (711, 551248), (786, 498648), (789, 496752), (948, 413436), (1048, 373986), (1052, 372564), (1179, 332432), (1264, 310077), (1422, 275624), (1572, 249324), (1578, 248376), (1896, 206718), (2096, 186993), (2104, 186282), (2358, 166216), (2367, 165584), (2844, 137812), (3144, 124662), (3156, 124188), (3792, 103359), (4208, 93141), (4716, 83108), (4734, 82792), (5688, 68906), (6288, 62331), (6312, 62094), (9432, 41554), (9468, 41396), (10349, 37872), (11376, 34453), (12624, 31047), (18864, 20777), (18936, 20698)]