28136196

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 78178464

約数和(自身を除く): 50042268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 227, 313, 396, 454, 626, 681, 908, 939, 1252, 1362, 1878, 2043, 2497, 2724, 2817, 3443, 3756, 4086, 4994, 5634, 6886, 7491, 8172, 9988, 10329, 11268, 13772, 14982, 20658, 22473, 29964, 30987, 41316, 44946, 61974, 71051, 89892, 123948, 142102, 213153, 284204, 426306, 639459, 781561, 852612, 1278918, 1563122, 2344683, 2557836, 3126244, 4689366, 7034049, 9378732, 14068098, 28136196]

約数ペア:

[(1, 28136196), (2, 14068098), (3, 9378732), (4, 7034049), (6, 4689366), (9, 3126244), (11, 2557836), (12, 2344683), (18, 1563122), (22, 1278918), (33, 852612), (36, 781561), (44, 639459), (66, 426306), (99, 284204), (132, 213153), (198, 142102), (227, 123948), (313, 89892), (396, 71051), (454, 61974), (626, 44946), (681, 41316), (908, 30987), (939, 29964), (1252, 22473), (1362, 20658), (1878, 14982), (2043, 13772), (2497, 11268), (2724, 10329), (2817, 9988), (3443, 8172), (3756, 7491), (4086, 6886), (4994, 5634)]