28665756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5987}}^1$

素因数の和:6023

約数の個数: 72

約数和(自身を含む): 87185280

約数和(自身を除く): 58519524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 5987, 11974, 17961, 23948, 35922, 41909, 53883, 71844, 83818, 107766, 113753, 125727, 167636, 215532, 227506, 251454, 341259, 377181, 455012, 502908, 682518, 754362, 796271, 1023777, 1365036, 1508724, 1592542, 2047554, 2388813, 3185084, 4095108, 4777626, 7166439, 9555252, 14332878, 28665756]

約数ペア:

[(1, 28665756), (2, 14332878), (3, 9555252), (4, 7166439), (6, 4777626), (7, 4095108), (9, 3185084), (12, 2388813), (14, 2047554), (18, 1592542), (19, 1508724), (21, 1365036), (28, 1023777), (36, 796271), (38, 754362), (42, 682518), (57, 502908), (63, 455012), (76, 377181), (84, 341259), (114, 251454), (126, 227506), (133, 215532), (171, 167636), (228, 125727), (252, 113753), (266, 107766), (342, 83818), (399, 71844), (532, 53883), (684, 41909), (798, 35922), (1197, 23948), (1596, 17961), (2394, 11974), (4788, 5987)]