31497557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 9628843

約数列:

[1, 7, 13, 23, 91, 101, 149, 161, 299, 707, 1043, 1313, 1937, 2093, 2323, 3427, 9191, 13559, 15049, 16261, 23989, 30199, 44551, 105343, 195637, 211393, 311857, 346127, 1369459, 2422889, 4499651, 31497557]

約数ペア:

[(1, 31497557), (7, 4499651), (13, 2422889), (23, 1369459), (91, 346127), (101, 311857), (149, 211393), (161, 195637), (299, 105343), (707, 44551), (1043, 30199), (1313, 23989), (1937, 16261), (2093, 15049), (2323, 13559), (3427, 9191)]