68388944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1669}}^1$

素因数の和:1887

約数の個数: 40

約数和(自身を含む): 143506440

約数和(自身を除く): 75117496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 1576, 1669, 2561, 3152, 3338, 5122, 6676, 10244, 13352, 20488, 21697, 26704, 40976, 43394, 86788, 173576, 328793, 347152, 657586, 1315172, 2630344, 4274309, 5260688, 8548618, 17097236, 34194472, 68388944]

約数ペア:

[(1, 68388944), (2, 34194472), (4, 17097236), (8, 8548618), (13, 5260688), (16, 4274309), (26, 2630344), (52, 1315172), (104, 657586), (197, 347152), (208, 328793), (394, 173576), (788, 86788), (1576, 43394), (1669, 40976), (2561, 26704), (3152, 21697), (3338, 20488), (5122, 13352), (6676, 10244)]