28090018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 24786782

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 59, 67, 118, 134, 187, 209, 323, 374, 418, 646, 649, 737, 1003, 1121, 1139, 1273, 1298, 1474, 2006, 2242, 2278, 2546, 3553, 3953, 7106, 7906, 11033, 12331, 12529, 14003, 19057, 21641, 22066, 24662, 25058, 28006, 38114, 43282, 43483, 67201, 75107, 86966, 134402, 150214, 209627, 238051, 419254, 476102, 739211, 826177, 1276819, 1478422, 1652354, 2553638, 14045009, 28090018]

約数ペア:

[(1, 28090018), (2, 14045009), (11, 2553638), (17, 1652354), (19, 1478422), (22, 1276819), (34, 826177), (38, 739211), (59, 476102), (67, 419254), (118, 238051), (134, 209627), (187, 150214), (209, 134402), (323, 86966), (374, 75107), (418, 67201), (646, 43483), (649, 43282), (737, 38114), (1003, 28006), (1121, 25058), (1139, 24662), (1273, 22066), (1298, 21641), (1474, 19057), (2006, 14003), (2242, 12529), (2278, 12331), (2546, 11033), (3553, 7906), (3953, 7106)]