15890378

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 13036342

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 809, 854, 1403, 1618, 2806, 5663, 9821, 11326, 18607, 19642, 37214, 49349, 98698, 130249, 260498, 345443, 690886, 1135027, 2270054, 7945189, 15890378]

約数ペア:

[(1, 15890378), (2, 7945189), (7, 2270054), (14, 1135027), (23, 690886), (46, 345443), (61, 260498), (122, 130249), (161, 98698), (322, 49349), (427, 37214), (809, 19642), (854, 18607), (1403, 11326), (1618, 9821), (2806, 5663)]