28385316

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 82555200

約数和(自身を除く): 54169884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 53, 54, 57, 58, 76, 81, 87, 106, 108, 114, 116, 159, 162, 171, 174, 212, 228, 243, 261, 318, 324, 342, 348, 477, 486, 513, 522, 551, 636, 684, 783, 954, 972, 1007, 1026, 1044, 1102, 1431, 1537, 1539, 1566, 1653, 1908, 2014, 2052, 2204, 2349, 2862, 3021, 3074, 3078, 3132, 3306, 4028, 4293, 4611, 4617, 4698, 4959, 5724, 6042, 6148, 6156, 6612, 7047, 8586, 9063, 9222, 9234, 9396, 9918, 12084, 12879, 13833, 14094, 14877, 17172, 18126, 18444, 18468, 19836, 25758, 27189, 27666, 28188, 29203, 29754, 36252, 41499, 44631, 51516, 54378, 55332, 58406, 59508, 81567, 82998, 87609, 89262, 108756, 116812, 124497, 133893, 163134, 165996, 175218, 178524, 244701, 248994, 262827, 267786, 326268, 350436, 373491, 489402, 497988, 525654, 535572, 746982, 788481, 978804, 1051308, 1493964, 1576962, 2365443, 3153924, 4730886, 7096329, 9461772, 14192658, 28385316]

約数ペア:

[(1, 28385316), (2, 14192658), (3, 9461772), (4, 7096329), (6, 4730886), (9, 3153924), (12, 2365443), (18, 1576962), (19, 1493964), (27, 1051308), (29, 978804), (36, 788481), (38, 746982), (53, 535572), (54, 525654), (57, 497988), (58, 489402), (76, 373491), (81, 350436), (87, 326268), (106, 267786), (108, 262827), (114, 248994), (116, 244701), (159, 178524), (162, 175218), (171, 165996), (174, 163134), (212, 133893), (228, 124497), (243, 116812), (261, 108756), (318, 89262), (324, 87609), (342, 82998), (348, 81567), (477, 59508), (486, 58406), (513, 55332), (522, 54378), (551, 51516), (636, 44631), (684, 41499), (783, 36252), (954, 29754), (972, 29203), (1007, 28188), (1026, 27666), (1044, 27189), (1102, 25758), (1431, 19836), (1537, 18468), (1539, 18444), (1566, 18126), (1653, 17172), (1908, 14877), (2014, 14094), (2052, 13833), (2204, 12879), (2349, 12084), (2862, 9918), (3021, 9396), (3074, 9234), (3078, 9222), (3132, 9063), (3306, 8586), (4028, 7047), (4293, 6612), (4611, 6156), (4617, 6148), (4698, 6042), (4959, 5724)]