31966664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 36073336

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 89, 136, 139, 152, 178, 278, 323, 356, 556, 646, 712, 1112, 1292, 1513, 1691, 2363, 2584, 2641, 3026, 3382, 4726, 5282, 6052, 6764, 9452, 10564, 12104, 12371, 13528, 18904, 21128, 24742, 28747, 44897, 49484, 57494, 89794, 98968, 114988, 179588, 210307, 229976, 235049, 359176, 420614, 470098, 841228, 940196, 1682456, 1880392, 3995833, 7991666, 15983332, 31966664]

約数ペア:

[(1, 31966664), (2, 15983332), (4, 7991666), (8, 3995833), (17, 1880392), (19, 1682456), (34, 940196), (38, 841228), (68, 470098), (76, 420614), (89, 359176), (136, 235049), (139, 229976), (152, 210307), (178, 179588), (278, 114988), (323, 98968), (356, 89794), (556, 57494), (646, 49484), (712, 44897), (1112, 28747), (1292, 24742), (1513, 21128), (1691, 18904), (2363, 13528), (2584, 12371), (2641, 12104), (3026, 10564), (3382, 9452), (4726, 6764), (5282, 6052)]