28237572

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 85612800

約数和(自身を除く): 57375228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 76, 81, 99, 108, 114, 132, 139, 162, 171, 198, 209, 228, 243, 278, 297, 324, 342, 396, 417, 418, 486, 513, 556, 594, 627, 684, 834, 836, 891, 972, 1026, 1188, 1251, 1254, 1529, 1539, 1668, 1782, 1881, 2052, 2502, 2508, 2641, 2673, 3058, 3078, 3564, 3753, 3762, 4587, 4617, 5004, 5282, 5346, 5643, 6116, 6156, 7506, 7524, 7923, 9174, 9234, 10564, 10692, 11259, 11286, 13761, 15012, 15846, 16929, 18348, 18468, 22518, 22572, 23769, 27522, 29051, 31692, 33777, 33858, 41283, 45036, 47538, 50787, 55044, 58102, 67554, 67716, 71307, 82566, 87153, 95076, 101574, 116204, 123849, 135108, 142614, 165132, 174306, 203148, 213921, 247698, 261459, 285228, 348612, 371547, 427842, 495396, 522918, 641763, 743094, 784377, 855684, 1045836, 1283526, 1486188, 1568754, 2353131, 2567052, 3137508, 4706262, 7059393, 9412524, 14118786, 28237572]

約数ペア:

[(1, 28237572), (2, 14118786), (3, 9412524), (4, 7059393), (6, 4706262), (9, 3137508), (11, 2567052), (12, 2353131), (18, 1568754), (19, 1486188), (22, 1283526), (27, 1045836), (33, 855684), (36, 784377), (38, 743094), (44, 641763), (54, 522918), (57, 495396), (66, 427842), (76, 371547), (81, 348612), (99, 285228), (108, 261459), (114, 247698), (132, 213921), (139, 203148), (162, 174306), (171, 165132), (198, 142614), (209, 135108), (228, 123849), (243, 116204), (278, 101574), (297, 95076), (324, 87153), (342, 82566), (396, 71307), (417, 67716), (418, 67554), (486, 58102), (513, 55044), (556, 50787), (594, 47538), (627, 45036), (684, 41283), (834, 33858), (836, 33777), (891, 31692), (972, 29051), (1026, 27522), (1188, 23769), (1251, 22572), (1254, 22518), (1529, 18468), (1539, 18348), (1668, 16929), (1782, 15846), (1881, 15012), (2052, 13761), (2502, 11286), (2508, 11259), (2641, 10692), (2673, 10564), (3058, 9234), (3078, 9174), (3564, 7923), (3753, 7524), (3762, 7506), (4587, 6156), (4617, 6116), (5004, 5643), (5282, 5346)]