262542007

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{7159}}^1$

素因数の和:7223

約数の個数: 24

約数和(自身を含む): 335431680

約数和(自身を除く): 72889673

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 1183, 2821, 5239, 7159, 36673, 50113, 93067, 221929, 651469, 1209871, 1553503, 2885077, 8469097, 20195539, 37506001, 262542007]

約数ペア:

[(1, 262542007), (7, 37506001), (13, 20195539), (31, 8469097), (91, 2885077), (169, 1553503), (217, 1209871), (403, 651469), (1183, 221929), (2821, 93067), (5239, 50113), (7159, 36673)]