15983332

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 31752000

約数和(自身を除く): 15768668

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 89, 139, 178, 278, 323, 356, 556, 646, 1292, 1513, 1691, 2363, 2641, 3026, 3382, 4726, 5282, 6052, 6764, 9452, 10564, 12371, 24742, 28747, 44897, 49484, 57494, 89794, 114988, 179588, 210307, 235049, 420614, 470098, 841228, 940196, 3995833, 7991666, 15983332]

約数ペア:

[(1, 15983332), (2, 7991666), (4, 3995833), (17, 940196), (19, 841228), (34, 470098), (38, 420614), (68, 235049), (76, 210307), (89, 179588), (139, 114988), (178, 89794), (278, 57494), (323, 49484), (356, 44897), (556, 28747), (646, 24742), (1292, 12371), (1513, 10564), (1691, 9452), (2363, 6764), (2641, 6052), (3026, 5282), (3382, 4726)]