78918854

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 140126976

約数和(自身を除く): 61208122

約数列:

[1, 2, 7, 14, 37, 74, 131, 259, 262, 518, 917, 1163, 1834, 2326, 4847, 8141, 9694, 16282, 33929, 43031, 67858, 86062, 152353, 301217, 304706, 602434, 1066471, 2132942, 5637061, 11274122, 39459427, 78918854]

約数ペア:

[(1, 78918854), (2, 39459427), (7, 11274122), (14, 5637061), (37, 2132942), (74, 1066471), (131, 602434), (259, 304706), (262, 301217), (518, 152353), (917, 86062), (1163, 67858), (1834, 43031), (2326, 33929), (4847, 16282), (8141, 9694)]