28359672

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 83980800

約数和(自身を除く): 55621128

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 71, 88, 89, 102, 132, 136, 142, 178, 187, 204, 213, 264, 267, 284, 356, 374, 408, 426, 534, 561, 568, 712, 748, 781, 852, 979, 1068, 1122, 1207, 1496, 1513, 1562, 1704, 1958, 2136, 2244, 2343, 2414, 2937, 3026, 3124, 3621, 3916, 4488, 4539, 4686, 4828, 5874, 6052, 6248, 6319, 7242, 7832, 9078, 9372, 9656, 11748, 12104, 12638, 13277, 14484, 16643, 18156, 18744, 18957, 23496, 25276, 26554, 28968, 33286, 36312, 37914, 39831, 49929, 50552, 53108, 66572, 69509, 75828, 79662, 99858, 106216, 107423, 133144, 139018, 151656, 159324, 199716, 208527, 214846, 278036, 318648, 322269, 399432, 417054, 429692, 556072, 644538, 834108, 859384, 1181653, 1289076, 1668216, 2363306, 2578152, 3544959, 4726612, 7089918, 9453224, 14179836, 28359672]

約数ペア:

[(1, 28359672), (2, 14179836), (3, 9453224), (4, 7089918), (6, 4726612), (8, 3544959), (11, 2578152), (12, 2363306), (17, 1668216), (22, 1289076), (24, 1181653), (33, 859384), (34, 834108), (44, 644538), (51, 556072), (66, 429692), (68, 417054), (71, 399432), (88, 322269), (89, 318648), (102, 278036), (132, 214846), (136, 208527), (142, 199716), (178, 159324), (187, 151656), (204, 139018), (213, 133144), (264, 107423), (267, 106216), (284, 99858), (356, 79662), (374, 75828), (408, 69509), (426, 66572), (534, 53108), (561, 50552), (568, 49929), (712, 39831), (748, 37914), (781, 36312), (852, 33286), (979, 28968), (1068, 26554), (1122, 25276), (1207, 23496), (1496, 18957), (1513, 18744), (1562, 18156), (1704, 16643), (1958, 14484), (2136, 13277), (2244, 12638), (2343, 12104), (2414, 11748), (2937, 9656), (3026, 9372), (3124, 9078), (3621, 7832), (3916, 7242), (4488, 6319), (4539, 6248), (4686, 6052), (4828, 5874)]