78899704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39929}}^1$

素因数の和:39967

約数の個数: 32

約数和(自身を含む): 167706000

約数和(自身を除く): 88806296

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 39929, 79858, 159716, 319432, 519077, 758651, 1038154, 1517302, 2076308, 3034604, 4152616, 6069208, 9862463, 19724926, 39449852, 78899704]

約数ペア:

[(1, 78899704), (2, 39449852), (4, 19724926), (8, 9862463), (13, 6069208), (19, 4152616), (26, 3034604), (38, 2076308), (52, 1517302), (76, 1038154), (104, 758651), (152, 519077), (247, 319432), (494, 159716), (988, 79858), (1976, 39929)]