661317366905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1\times {\mathrm{190909}}^1$

素因数の和:191453

約数の個数: 32

約数和(自身を含む): 863081200800

約数和(自身を除く): 201763833895

約数列:

[1, 5, 13, 65, 137, 389, 685, 1781, 1945, 5057, 8905, 25285, 53293, 190909, 266465, 692809, 954545, 2481817, 3464045, 12409085, 26154533, 74263601, 130772665, 340008929, 371318005, 965426813, 1700044645, 4827134065, 10174113337, 50870566685, 132263473381, 661317366905]

約数ペア:

[(1, 661317366905), (5, 132263473381), (13, 50870566685), (65, 10174113337), (137, 4827134065), (389, 1700044645), (685, 965426813), (1781, 371318005), (1945, 340008929), (5057, 130772665), (8905, 74263601), (25285, 26154533), (53293, 12409085), (190909, 3464045), (266465, 2481817), (692809, 954545)]