138217990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{1741}}^1$

素因数の和:2232

約数の個数: 32

約数和(自身を含む): 264142944

約数和(自身を除く): 125924954

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 467, 934, 1741, 2335, 3482, 4670, 7939, 8705, 15878, 17410, 29597, 39695, 59194, 79390, 147985, 295970, 813047, 1626094, 4065235, 8130470, 13821799, 27643598, 69108995, 138217990]

約数ペア:

[(1, 138217990), (2, 69108995), (5, 27643598), (10, 13821799), (17, 8130470), (34, 4065235), (85, 1626094), (170, 813047), (467, 295970), (934, 147985), (1741, 79390), (2335, 59194), (3482, 39695), (4670, 29597), (7939, 17410), (8705, 15878)]