1245905927

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 1485993600

約数和(自身を除く): 240087673

約数列:

[1, 7, 53, 89, 97, 371, 389, 623, 679, 2723, 4717, 5141, 8633, 20617, 33019, 34621, 35987, 37733, 60431, 144319, 242347, 264131, 457549, 1834913, 1999849, 3202843, 3358237, 12844391, 13998943, 23507659, 177986561, 1245905927]

約数ペア:

[(1, 1245905927), (7, 177986561), (53, 23507659), (89, 13998943), (97, 12844391), (371, 3358237), (389, 3202843), (623, 1999849), (679, 1834913), (2723, 457549), (4717, 264131), (5141, 242347), (8633, 144319), (20617, 60431), (33019, 37733), (34621, 35987)]