78685696

素因数分解:

$2^9\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:822

約数の個数: 40

約数和(自身を含む): 158041224

約数和(自身を除く): 79355528

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 313, 491, 512, 626, 982, 1252, 1964, 2504, 3928, 5008, 7856, 10016, 15712, 20032, 31424, 40064, 62848, 80128, 125696, 153683, 160256, 251392, 307366, 614732, 1229464, 2458928, 4917856, 9835712, 19671424, 39342848, 78685696]

約数ペア:

[(1, 78685696), (2, 39342848), (4, 19671424), (8, 9835712), (16, 4917856), (32, 2458928), (64, 1229464), (128, 614732), (256, 307366), (313, 251392), (491, 160256), (512, 153683), (626, 125696), (982, 80128), (1252, 62848), (1964, 40064), (2504, 31424), (3928, 20032), (5008, 15712), (7856, 10016)]