81407170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{14563}}^1$

素因数の和:14626

約数の個数: 32

約数和(自身を含む): 161485632

約数和(自身を除く): 80078462

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 14563, 29126, 72815, 145630, 189319, 378638, 626209, 946595, 1252418, 1893190, 3131045, 6262090, 8140717, 16281434, 40703585, 81407170]

約数ペア:

[(1, 81407170), (2, 40703585), (5, 16281434), (10, 8140717), (13, 6262090), (26, 3131045), (43, 1893190), (65, 1252418), (86, 946595), (130, 626209), (215, 378638), (430, 189319), (559, 145630), (1118, 72815), (2795, 29126), (5590, 14563)]