28190358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{977}}^1$

素因数の和:1221

約数の個数: 48

約数和(自身を含む): 70181280

約数和(自身を除く): 41990922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 229, 458, 687, 977, 1374, 1603, 1954, 2061, 2931, 3206, 4122, 4809, 5862, 6839, 8793, 9618, 13678, 14427, 17586, 20517, 28854, 41034, 61551, 123102, 223733, 447466, 671199, 1342398, 1566131, 2013597, 3132262, 4027194, 4698393, 9396786, 14095179, 28190358]

約数ペア:

[(1, 28190358), (2, 14095179), (3, 9396786), (6, 4698393), (7, 4027194), (9, 3132262), (14, 2013597), (18, 1566131), (21, 1342398), (42, 671199), (63, 447466), (126, 223733), (229, 123102), (458, 61551), (687, 41034), (977, 28854), (1374, 20517), (1603, 17586), (1954, 14427), (2061, 13678), (2931, 9618), (3206, 8793), (4122, 6839), (4809, 5862)]