1220042005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1\times {\mathrm{2647}}^1$

素因数の和:3685

約数の個数: 32

約数和(自身を含む): 1804368384

約数和(自身を除く): 584326379

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1013, 2647, 5065, 7091, 13169, 13235, 18529, 34411, 35455, 65845, 92183, 92645, 172055, 240877, 460915, 1204385, 2681411, 13407055, 18769877, 34858343, 93849385, 174291715, 244008401, 1220042005]

約数ペア:

[(1, 1220042005), (5, 244008401), (7, 174291715), (13, 93849385), (35, 34858343), (65, 18769877), (91, 13407055), (455, 2681411), (1013, 1204385), (2647, 460915), (5065, 240877), (7091, 172055), (13169, 92645), (13235, 92183), (18529, 65845), (34411, 35455)]